v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Change in Policy (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Other current and non-current liabilities   $ (89,225)
Loans originated $ (5,862,479) (4,596,581)
Proceeds from repayment of loans 5,665,796 4,322,454
Purchase of investments (251,562) (91,349)
Dispositions of investments 153,555 5,735
Purchases of crypto assets held for investment (166,597) (464,082)
Dispositions of crypto assets held for investment 33,865 80,781
Other investing activities, net (73,132) (69,787)
Customer collateral received 11,371 109,399
Return of customer collateral (3,729) (112,650)
Proceeds from short-term borrowings 500,918 278,162
Repayments of short-term borrowings $ (345,927) (305,084)
Previously Reported    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Other current and non-current liabilities   (1,036,250)
Loans originated   (955,488)
Proceeds from repayment of loans   588,004
Purchase of investments   (84,764)
Dispositions of investments   5,520
Purchases of crypto assets held for investment   (458,728)
Dispositions of crypto assets held for investment   62,443
Other investing activities, net   (73,796)
Customer collateral received   370,553
Return of customer collateral   (373,804)
Proceeds from short-term borrowings  
Repayments of short-term borrowings  
Change in Presentation    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Customer collateral received   (312,510)
Return of customer collateral   312,510
Change in Principle    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Other current and non-current liabilities   947,025
Loans originated   (3,641,093)
Proceeds from repayment of loans   3,734,450
Purchase of investments   (6,585)
Dispositions of investments   215
Purchases of crypto assets held for investment   (5,354)
Dispositions of crypto assets held for investment   18,338
Other investing activities, net   4,009
Customer collateral received   51,356
Return of customer collateral   (51,356)
Proceeds from short-term borrowings   278,162
Repayments of short-term borrowings   $ (305,084)