v3.26.1
Summary of Significant Accounting Policies - Other Assets (Details) - USD ($)
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2025
Finite-Lived Intangible Assets [Line Items]        
Impairment of finite-lived intangible assets $ 0 $ 0    
Carrying value of intangible assets 1,419,000 2,884,000    
Accumulated amortization of intangible assets 10,751,000 9,286,000    
Amortization of intangible assets 1,465,000 1,701,000 $ 1,701,000  
Amortization expense, next twelve months 1,155,000      
Amortization expense, year two 264,000      
Amortization expense, year three 0      
Amortization expense, year four 0      
Amortization expense, year five 0      
Goodwill 9,566,000 9,566,000    
Goodwill impairment       $ 0
Convertible notes receivable        
Finite-Lived Intangible Assets [Line Items]        
Convertible notes receivable 17,456,000 9,657,000    
Allowance for credit losses $ 0 $ 0    
Customer Relationships | Minimum        
Finite-Lived Intangible Assets [Line Items]        
Finite-lived intangible asset useful life 7 years      
Customer Relationships | Maximum        
Finite-Lived Intangible Assets [Line Items]        
Finite-lived intangible asset useful life 10 years