v3.26.1
Summary of Significant Accounting Policies - Additional Information (Details)
 12 Months Ended
Mar. 31, 2026
USD ($)
branch
segment
reporting_unit
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Schedule of Subsidiaries Information [Line Items]      
Number of operating segments | segment 1    
Number of reportable segments | segment 1    
Restricted cash $ 23,303,453 $ 5,015,837 $ 6,665,356
Unearned interest, insurance and fees $ 5,900,000 5,500,000  
Number of reporting units | reporting_unit 1    
Net written premiums $ 5,000,000.0 6,100,000 7,200,000
Earned premiums 6,000,000.0 7,100,000 8,200,000
Cash reserves 3,000,000.0 4,000,000.0  
Deferred revenue (contract liability) 1,650,225 1,388,028 1,241,067
Advertising $ 10,586,674 10,224,708 9,932,122
Customer lists      
Schedule of Subsidiaries Information [Line Items]      
Useful life 8 years 6 months    
Non-compete agreements      
Schedule of Subsidiaries Information [Line Items]      
Useful life 6 years 3 months 18 days    
Unsecured Debt      
Schedule of Subsidiaries Information [Line Items]      
Debt issuance costs   1,000,000.0  
Line of Credit | Warehouse Facility      
Schedule of Subsidiaries Information [Line Items]      
Debt issuance costs $ 2,100,000 200,000  
Line of Credit | Revolving Credit Facility      
Schedule of Subsidiaries Information [Line Items]      
Debt issuance costs $ 1,900,000 600,000  
Vehicles      
Schedule of Subsidiaries Information [Line Items]      
Estimated useful life (in years) 3 years    
Leasehold Improvements      
Schedule of Subsidiaries Information [Line Items]      
Estimated useful life (in years) 5 years    
Maximum      
Schedule of Subsidiaries Information [Line Items]      
Originations $ 5,300 $ 5,300 $ 5,300
Operating lease, term of contract 5 years    
Maximum | Customer lists      
Schedule of Subsidiaries Information [Line Items]      
Useful life 23 years    
Maximum | Non-compete agreements      
Schedule of Subsidiaries Information [Line Items]      
Useful life 15 years    
Maximum | Building      
Schedule of Subsidiaries Information [Line Items]      
Estimated useful life (in years) 40 years    
Maximum | Furniture and equipment      
Schedule of Subsidiaries Information [Line Items]      
Estimated useful life (in years) 10 years    
Maximum | Equipment      
Schedule of Subsidiaries Information [Line Items]      
Estimated useful life (in years) 7 years    
Maximum | Large loans      
Schedule of Subsidiaries Information [Line Items]      
Originations $ 25,200    
Loan term 60 months    
Minimum      
Schedule of Subsidiaries Information [Line Items]      
Operating lease, term of contract 3 years    
Minimum | Customer lists      
Schedule of Subsidiaries Information [Line Items]      
Useful life 8 years    
Minimum | Non-compete agreements      
Schedule of Subsidiaries Information [Line Items]      
Useful life 5 years    
Minimum | Building      
Schedule of Subsidiaries Information [Line Items]      
Estimated useful life (in years) 25 years    
Minimum | Furniture and equipment      
Schedule of Subsidiaries Information [Line Items]      
Estimated useful life (in years) 5 years    
Minimum | Equipment      
Schedule of Subsidiaries Information [Line Items]      
Estimated useful life (in years) 3 years    
Minimum | Large loans      
Schedule of Subsidiaries Information [Line Items]      
Originations $ 2,500    
Loan term 6 months    
United States      
Schedule of Subsidiaries Information [Line Items]      
Number of offices operated in the United States of America | branch 1,009