Quarterly report [Sections 13 or 15(d)]

DEBT SECURITIES ISSUED - Summary (Details)

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DEBT SECURITIES ISSUED - Summary (Details) - USD ($)
$ in Thousands
9 Months Ended
Dec. 31, 2025
Mar. 31, 2025
Debt Instrument [Line Items]    
Debt securities issued $ 1,075,397 $ 469,551
Freedom SPC bonds due 2028    
Debt Instrument [Line Items]    
Debt securities issued $ 269,723 0
Interest rate 9.50%  
Freedom SPC bonds due 2026    
Debt Instrument [Line Items]    
Debt securities issued $ 200,638 201,311
Interest rate 10.50%  
Freedom SPC bonds due 2027    
Debt Instrument [Line Items]    
Debt securities issued $ 200,471 0
Interest rate 10.00%  
Freedom SPC bonds due 2028    
Debt Instrument [Line Items]    
Debt securities issued $ 200,243 200,305
Freedom SPC bonds due 2028, fixed    
Debt Instrument [Line Items]    
Interest rate 12.00%  
Freedom SPC bonds due 2028, fixed | Minimum    
Debt Instrument [Line Items]    
Interest rate period 1 year  
Freedom SPC bonds due 2028, fixed | Maximum    
Debt Instrument [Line Items]    
Interest rate period 2 years  
Freedom SPC bonds due 2028, variable    
Debt Instrument [Line Items]    
Interest rate 10.39%  
Freedom SPC bonds due 2028, variable | Minimum    
Debt Instrument [Line Items]    
Interest rate period 3 years  
Freedom SPC bonds due 2028, variable | Maximum    
Debt Instrument [Line Items]    
Interest rate period 5 years  
Freedom SPC bonds due 2027    
Debt Instrument [Line Items]    
Debt securities issued $ 98,372 0
Interest rate 8.00%  
Freedom SPC bonds due 2026    
Debt Instrument [Line Items]    
Debt securities issued $ 64,993 64,801
Interest rate 5.50%  
Freedom SPC bonds due 2027    
Debt Instrument [Line Items]    
Debt securities issued $ 30,183 0
Interest rate 9.00%  
Accrued interest    
Debt Instrument [Line Items]    
Debt securities issued $ 10,774 $ 3,134