v3.25.2
Equity Method Investments - Investment in Limited Partnership Fund (Details) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2022
Jul. 31, 2019
Aug. 02, 2025
Jul. 27, 2024
Apr. 30, 2025
Apr. 30, 2023
Apr. 30, 2022
Apr. 30, 2021
Equity Method Investments                
Equity method investment gain (loss), net of tax     $ 1,787,000 $ 65,000        
Carrying value of equity method investments     32,362,000   $ 30,423,000      
Limited Partnership Fund                
Equity Method Investments                
Capital contributions             $ 10,000,000 $ 10,000,000
Contribution commitments             $ 0  
Equity method investment gain (loss), net of tax     1,787,000 $ 65,000        
Carrying value of equity method investments     32,362,000   30,423,000      
Limited Partnership Fund | Equity method investment loss, net of tax                
Equity Method Investments                
Income tax expense from equity method investments     0          
Limited Partnership Fund, Technologies and Start-Up                
Equity Method Investments                
Capital contributions $ 20,000,000   $ 0   $ 5,674,000 $ 3,074,000    
Expected years contributions will be made 5 years              
Additional capital contributions   $ 5,474,000