| 2024 | Boston Omaha Corp - Ordinary Shares - Class A | Chairman of the Board, Chief Executive Officer, President and Managing Partner of BOAM | 670.2 K | 3.0 % | 
    
        
            | 2023 | Boston Omaha Corp - Ordinary Shares - Class A | Chairman of the Board, Chief Executive Officer and President | 650.6 K | - | 
    
        
            | 2022 | Boston Omaha Corp - Ordinary Shares - Class A | Co-Chairman of the Board, Co-Chief Executive Officer and Co-President | - | - | 
    
        
            | 2021 | Boston Omaha Corp - Ordinary Shares - Class A | Co-Chairman of the Board, Co-Chief Executive Officer and Co-President | 7.9 M | 2674.6 % | 
    
        
            | 2020 | Boston Omaha Corp - Ordinary Shares - Class A | - | 292.2 K | 1135.0 % | 
    
        
            | 2020 | Boston Omaha Corp - Ordinary Shares - Class A | Co-Chairman of the Board, Co-Chief Executive Officer and Co-President | 286 K | 1108.8 % | 
    
        
            | 2019 | Boston Omaha Corp - Ordinary Shares - Class A | - | 23.7 K | 0.0 % | 
    
        
            | 2019 | Boston Omaha Corp - Ordinary Shares - Class A | Co-Chairman of the Board, Co-Chief Executive Officer and Co-President | 23.7 K | 0.0 % | 
    
        
            | 2019 | Boston Omaha Corp - Ordinary Shares - Class A | - | 23.7 K | 0.0 % | 
    
        
            | 2018 | Boston Omaha Corp - Ordinary Shares - Class A | - | 23.7 K | 0.0 % | 
    
        
            | 2018 | Boston Omaha Corp - Ordinary Shares - Class A | - | 23.7 K | 0.0 % | 
    
        
            | 2018 | Boston Omaha Corp - Ordinary Shares - Class A | Co-Chairman of the Board, Co-Chief Executive Officer and Co-President | 23.7 K | 0.0 % | 
    
        
            | 2017 | Boston Omaha Corp - Ordinary Shares - Class A | - | 23.7 K | 0.0 % | 
    
        
            | 2017 | Boston Omaha Corp - Ordinary Shares - Class A | - | 23.7 K | 0.0 % | 
    
        
            | 2017 | Boston Omaha Corp - Ordinary Shares - Class A | Co-Chairman of the Board, Co-Chief Executive Officer and Co-President | 23.7 K | 0.0 % | 
    
        
            | 2016 | Boston Omaha Corp - Ordinary Shares - Class A | - | 23.7 K | 140.0 % | 
    
        
            | 2016 | Boston Omaha Corp - Ordinary Shares - Class A | - | 23.7 K | 140.0 % | 
    
        
            | 2016 | Boston Omaha Corp - Ordinary Shares - Class A | Co-Chairman of the Board, Co-Chief Executive Officer and Executive Vice President | 23.7 K | 140.0 % | 
    
        
            | 2015 | Boston Omaha Corp - Ordinary Shares - Class A | - | 9.9 K | - | 
    
        
            | 2015 | Boston Omaha Corp - Ordinary Shares - Class A | - | 9.9 K | - |