v3.26.3
BORROWINGS - Schedule of Contractual Payment Obligations (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Mar. 31, 2026
Debt Instrument [Line Items]    
2027 $ 0  
2028 0  
2029 105,000  
2030 230,000  
2031 350,000  
Thereafter 729,000  
Total 1,414,000 $ 1,148,000
SBA Debentures | Unsecured Debt    
Debt Instrument [Line Items]    
2027 0  
2028 0  
2029 0  
2030 0  
2031  
Thereafter 289,000  
Total 289,000 223,000
Corporate Credit Facility | Line of Credit | Corporate Credit Facility    
Debt Instrument [Line Items]    
2027 0  
2028 0  
2029 0  
2030 0  
2031 0  
Thereafter 90,000  
Total 90,000 245,000
SPV Credit Facility | Line of Credit | SPV Credit Facility    
Debt Instrument [Line Items]    
2027 0  
2028 0  
2029 105,000  
2030 0  
2031 0  
Thereafter 0  
Total 105,000 100,000
2029 Convertible Notes | Convertible Debt    
Debt Instrument [Line Items]    
2027 0  
2028 0  
2029 0  
2030 230,000  
2031 0  
Thereafter 0  
Total 230,000 230,000
September 2030 Notes | Notes    
Debt Instrument [Line Items]    
2027 0  
2028 0  
2029 0  
2030 0  
2031 350,000  
Thereafter 0  
Total 350,000 $ 350,000
September 2031 Notes | Notes    
Debt Instrument [Line Items]    
2027 0  
2028 0  
2029 0  
2030 0  
2031 0  
Thereafter 350,000  
Total $ 350,000