| 
                                Dec 2018
                             | 
                            
                                
                                    Acacia Banyan Partners
                                
                             | 
                            
                                2,080,000
                             | 
                            
                            
                                1.06%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Dec 2018
                             | 
                            
                                
                                    Acacia Institutional Partners, Lp
                                
                             | 
                            
                                3,640,000
                             | 
                            
                            
                                1.86%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Dec 2018
                             | 
                            
                                
                                    Acacia Partners, Lp
                                
                             | 
                            
                                4,420,000
                             | 
                            
                            
                                2.26%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2018
                             | 
                            
                                
                                    Acacia Banyan Partners
                                
                             | 
                            
                                2,080,000
                             | 
                            
                            
                                1.06%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2018
                             | 
                            
                                
                                    Acacia Institutional Partners
                                
                             | 
                            
                                3,640,000
                             | 
                            
                            
                                1.86%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2018
                             | 
                            
                                
                                    Acacia Partners, Lp
                                
                             | 
                            
                                4,420,000
                             | 
                            
                            
                                2.26%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2018
                             | 
                            
                                
                                    Acacia Banyan Partners
                                
                             | 
                            
                                2,080,000
                             | 
                            
                            
                                1.06%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2018
                             | 
                            
                                
                                    Acacia Institutional Partners, Lp
                                
                             | 
                            
                                3,640,000
                             | 
                            
                            
                                1.86%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2018
                             | 
                            
                                
                                    Acacia Partners, Lp
                                
                             | 
                            
                                4,420,000
                             | 
                            
                            
                                2.26%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2018
                             | 
                            
                                
                                    Acacia Institutional Partners Lp
                                
                             | 
                            
                                3,640,000
                             | 
                            
                            
                                1.86%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Mar 2018
                             | 
                            
                                
                                    Acacia Partners Lp
                                
                             | 
                            
                                4,420,000
                             | 
                            
                            
                                2.26%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Mar 2018
                             | 
                            
                                
                                    Acacia Banyan Partners
                                
                             | 
                            
                                2,080,000
                             | 
                            
                            
                                1.06%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2017
                             | 
                            
                                
                                    Acacia Institutional Partners Lp
                                
                             | 
                            
                                3,640,000
                             | 
                            
                            
                                1.86%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Dec 2017
                             | 
                            
                                
                                    Acacia Partners Lp
                                
                             | 
                            
                                4,420,000
                             | 
                            
                            
                                2.26%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Dec 2017
                             | 
                            
                                
                                    Acacia Banyan Partners
                                
                             | 
                            
                                2,080,000
                             | 
                            
                            
                                1.06%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2017
                             | 
                            
                                
                                    Acacia Institutional Partners Lp
                                
                             | 
                            
                                3,640,000
                             | 
                            
                            
                                1.86%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2017
                             | 
                            
                                
                                    Acacia Partners Lp
                                
                             | 
                            
                                4,420,000
                             | 
                            
                            
                                2.26%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2017
                             | 
                            
                                
                                    Acacia Banyan Partners
                                
                             | 
                            
                                2,080,000
                             | 
                            
                            
                                1.06%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2017
                             | 
                            
                                
                                    Acacia Institutional Partners Lp
                                
                             | 
                            
                                3,640,000
                             | 
                            
                            
                                1.88%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2017
                             | 
                            
                                
                                    Acacia Partners Lp
                                
                             | 
                            
                                4,420,000
                             | 
                            
                            
                                2.28%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2017
                             | 
                            
                                
                                    Acacia Banyan Partners
                                
                             | 
                            
                                2,080,000
                             | 
                            
                            
                                1.07%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2017
                             | 
                            
                                
                                    Acacia Institutional Partners Lp
                                
                             | 
                            
                                3,640,000
                             | 
                            
                            
                                1.88%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Mar 2017
                             | 
                            
                                
                                    Acacia Partners Lp
                                
                             | 
                            
                                4,420,000
                             | 
                            
                            
                                2.28%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Mar 2017
                             | 
                            
                                
                                    Acacia Banyan Partners
                                
                             | 
                            
                                2,080,000
                             | 
                            
                            
                                1.07%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2016
                             | 
                            
                                
                                    Acacia Banyan Partners
                                
                             | 
                            
                                2,080,000
                             | 
                            
                            
                                1.07%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Dec 2016
                             | 
                            
                                
                                    Acacia Partners, Lp
                                
                             | 
                            
                                4,420,000
                             | 
                            
                            
                                2.28%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Dec 2016
                             | 
                            
                                
                                    Acacia Institutional Partners, Lp
                                
                             | 
                            
                                3,640,000
                             | 
                            
                            
                                1.88%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2016
                             | 
                            
                                
                                    Acacia Banyan Partners
                                
                             | 
                            
                                2,080,000
                             | 
                            
                            
                                1.17%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2016
                             | 
                            
                                
                                    Acacia Partners, Lp
                                
                             | 
                            
                                4,420,000
                             | 
                            
                            
                                2.48%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2016
                             | 
                            
                                
                                    Acacia Institutional Partners, Lp
                                
                             | 
                            
                                3,640,000
                             | 
                            
                            
                                2.04%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2016
                             | 
                            
                                
                                    Acacia Banyan Partners
                                
                             | 
                            
                                2,080,000
                             | 
                            
                            
                                1.17%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2016
                             | 
                            
                                
                                    Acacia Partners, Lp
                                
                             | 
                            
                                4,420,000
                             | 
                            
                            
                                2.48%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2016
                             | 
                            
                                
                                    Acacia Institutional Partners, Lp
                                
                             | 
                            
                                3,640,000
                             | 
                            
                            
                                2.04%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2016
                             | 
                            
                                
                                    Acacia Banyan Partners
                                
                             | 
                            
                                2,080,000
                             | 
                            
                            
                                1.17%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Mar 2016
                             | 
                            
                                
                                    Acacia Partners, Lp
                                
                             | 
                            
                                4,420,000
                             | 
                            
                            
                                2.48%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Mar 2016
                             | 
                            
                                
                                    Acacia Institutional Partners, Lp
                                
                             | 
                            
                                3,640,000
                             | 
                            
                            
                                2.04%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2015
                             | 
                            
                                
                                    Acacia Banyan Partners
                                
                             | 
                            
                                2,080,000
                             | 
                            
                            
                                1.17%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Dec 2015
                             | 
                            
                                
                                    Acacia Partners, Lp
                                
                             | 
                            
                                4,420,000
                             | 
                            
                            
                                2.48%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Dec 2015
                             | 
                            
                                
                                    Acacia Institutional Partners, Lp
                                
                             | 
                            
                                3,640,000
                             | 
                            
                            
                                2.04%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 |