v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Changes to Statement of Cash Flows Related to Retained Beneficial Interest In Loan Securitizations (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Operating activities:    
Proceeds from loan sales, net of repurchases $ 4,638,228 $ 2,676,013
Net cash (used in) provided by operating activities (72,969) 76,089
Investing activities:    
Principal payments on marketable securities 36,613 19,137
Net cash used in investing activities (75,261) (29,680)
Non-cash investing and financing activities:    
Marketable securities retained in securitization transactions $ 0 (32,365)
As Reported    
Operating activities:    
Proceeds from loan sales, net of repurchases   2,708,378
Purchases of marketable securities   (68,593)
Principal payments on marketable securities   19,137
Net cash (used in) provided by operating activities   62,210
Investing activities:    
Purchases of marketable securities   0
Principal payments on marketable securities   0
Net cash used in investing activities   (12,838)
Non-cash investing and financing activities:    
Marketable securities retained in securitization transactions   0
Adjustment    
Operating activities:    
Proceeds from loan sales, net of repurchases   (32,365)
Purchases of marketable securities   68,593
Principal payments on marketable securities   (19,137)
Net cash (used in) provided by operating activities   17,091
Investing activities:    
Purchases of marketable securities   (36,228)
Principal payments on marketable securities   19,137
Net cash used in investing activities   (17,091)
Non-cash investing and financing activities:    
Marketable securities retained in securitization transactions   (32,365)
Recast    
Operating activities:    
Proceeds from loan sales, net of repurchases   2,676,013
Purchases of marketable securities   0
Principal payments on marketable securities   0
Net cash (used in) provided by operating activities   79,301
Investing activities:    
Purchases of marketable securities   (36,228)
Principal payments on marketable securities   19,137
Net cash used in investing activities   (29,929)
Non-cash investing and financing activities:    
Marketable securities retained in securitization transactions   $ (32,365)