| 
                                Sep 2025
                             | 
                            
                                
                                    Nippon Wealth Life Insurance Co., Ltd.
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2025
                             | 
                            
                                
                                    Nippon Life Schroders Asset Management Europe Limited
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2025
                             | 
                            
                                
                                    Nippon Life Realty Management Inc.
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2025
                             | 
                            
                                
                                    Nippon Life Livelihood Support Co., Ltd.
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2025
                             | 
                            
                                
                                    Nippon Life Insurance Company Of America
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2025
                             | 
                            
                                
                                    Nippon Life Insurance Australia And New Zealand Limited (Formerly Mlc Limited)
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2025
                             | 
                            
                                
                                    Nippon Life India Asset Management (Singapore) Pte. Ltd.
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2025
                             | 
                            
                                
                                    Nippon Life Global Investors Singapore Limited
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2025
                             | 
                            
                                
                                    Nippon Life Global Investors Europe Plc
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2025
                             | 
                            
                                
                                    Nippon Life Global Investors Americas, Inc.
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2025
                             | 
                            
                                
                                    Nippon Life Asia Pacific (Regional Hq) Pte. Ltd.
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2025
                             | 
                            
                                
                                    Nippon Life Americas, Inc.
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2025
                             | 
                            
                                
                                    Grand Guardian Nippon Life Insurance Company Limited
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2025
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                72.10%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2025
                             | 
                            
                                
                                    Nippon Wealth Life Insurance Co., Ltd.
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2025
                             | 
                            
                                
                                    Nippon Life Schroders Asset Management Europe Limited
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2025
                             | 
                            
                                
                                    Nippon Life Realty Management Inc.
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2025
                             | 
                            
                                
                                    Nippon Life Livelihood Support Co., Ltd.
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2025
                             | 
                            
                                
                                    Nippon Life Insurance Company Of America
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2025
                             | 
                            
                                
                                    Nippon Life India Asset Management (Singapore) Pte. Ltd.
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2025
                             | 
                            
                                
                                    Nippon Life Global Investors Singapore Limited
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2025
                             | 
                            
                                
                                    Nippon Life Global Investors Europe Plc
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2025
                             | 
                            
                                
                                    Nippon Life Global Investors Americas, Inc.
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2025
                             | 
                            
                                
                                    Nippon Life Asia Pacific (Regional Hq) Pte. Ltd.
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2025
                             | 
                            
                                
                                    Nippon Life Americas, Inc.
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2025
                             | 
                            
                                
                                    Grand Guardian Nippon Life Insurance Company Limited
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2025
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                72.25%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2025
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                72.32%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2024
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                72.43%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2024
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                72.49%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2024
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                72.66%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2024
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                72.86%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2023
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                73.10%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2023
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                73.47%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2023
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                73.64%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2023
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                73.66%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2022
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                73.66%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2022
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                73.68%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2022
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                73.74%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2022
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                73.80%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2021
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                73.82%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2021
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                73.97%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2021
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                74.23%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2021
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                74.46%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2020
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                74.89%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2020
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                74.95%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    122,400,000
                                 | 
                                
                                    26.67%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2020
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                74.99%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    122,400,000
                                 | 
                                
                                    26.67%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2020
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                74.99%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    122,400,000
                                 | 
                                
                                    26.67%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2019
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                75.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    122,400,000
                                 | 
                                
                                    26.67%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2019
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                459,028,095
                             | 
                            
                            
                                75.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    122,400,000
                                 | 
                                
                                    26.67%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2019
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                262,395,000
                             | 
                            
                            
                                42.88%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    61,200,000
                                 | 
                                
                                    23.32%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2019
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                262,395,000
                             | 
                            
                            
                                42.88%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    61,200,000
                                 | 
                                
                                    23.32%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2018
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                262,395,000
                             | 
                            
                            
                                42.88%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    61,200,000
                                 | 
                                
                                    23.32%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2018
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                262,395,000
                             | 
                            
                            
                                42.88%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    262,395,000
                                 | 
                                
                                    100.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2018
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                262,395,000
                             | 
                            
                            
                                42.88%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    262,395,000
                                 | 
                                
                                    100.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2018
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                262,395,000
                             | 
                            
                            
                                42.88%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    262,395,000
                                 | 
                                
                                    100.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2017
                             | 
                            
                                
                                    Nippon Life Insurance Company
                                
                             | 
                            
                                262,395,000
                             | 
                            
                            
                                42.88%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    262,395,000
                                 | 
                                
                                    100.00%
                                 |