Quarterly report pursuant to Section 13 or 15(d)

BORROWINGS - Notes Payable Narrative (Details)

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BORROWINGS - Notes Payable Narrative (Details) - USD ($)
 1 Months Ended
May 31, 2023
Aug. 31, 2021
Mar. 31, 2021
Dec. 31, 2023
Mar. 31, 2023
Dec. 31, 2022
Debt Instrument [Line Items]            
Aggregate Principal Amount       $ 419,838,000   $ 292,088,000
Notes Payable            
Debt Instrument [Line Items]            
Aggregate Principal Amount       $ 337,238,000 $ 262,488,000  
Notes Payable | 5.00% Notes due 2026            
Debt Instrument [Line Items]            
Interest Rate     5.00% 5.00% 5.00%  
Aggregate Principal Amount     $ 127,900,000 $ 127,938,000 $ 127,938,000  
Proceeds from issuance of long-term debt     123,800,000      
Borrowings outstanding at cost     $ 4,100,000      
Notes payable, fair value disclosure       $ 122,900,000 $ 121,500,000  
Notes Payable | 4.875% Notes due 2028            
Debt Instrument [Line Items]            
Interest Rate   4.875%   4.875% 4.875%  
Aggregate Principal Amount   $ 134,600,000   $ 134,550,000 $ 134,550,000  
Proceeds from issuance of long-term debt   131,300,000        
Borrowings outstanding at cost   $ 3,300,000        
Notes payable, fair value disclosure       $ 125,900,000 $ 127,400,000  
Notes Payable | 8.00% 2028 Notes            
Debt Instrument [Line Items]            
Interest Rate 8.00%     8.00%    
Aggregate Principal Amount $ 74,800,000     $ 74,750,000    
Proceeds from issuance of long-term debt 72,300,000          
Borrowings outstanding at cost $ 2,500,000          
Notes payable, fair value disclosure       $ 76,700,000