v3.25.4
FAIR VALUE MEASUREMENTS - Significant Valuation Input Sensitivity (Details)
$ in Thousands
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Marketable securities: $ (273,151) $ (163,489)  
Loans held for sale, at fair value 404,337 395,922 $ 255,516
Residual interest securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Marketable securities: (40,166) (34,506)  
Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset 113,064 88,497  
Loans held for sale, at fair value $ 404,337 $ 369,983  
Level 3 | Discount rate      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing assets, measurement input 0.130 0.129  
Loans held for sale, measurement input 0.065 0.076  
Level 3 | CPR      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing assets, measurement input 0.132 0.142  
Loans held for sale, measurement input 0.180 0.137  
Level 3 | CDR      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing assets, measurement input 0.007 0.007  
Loans held for sale, measurement input 0.019 0.017  
Level 3 | Servicing Rate      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing assets, measurement input 0.003 0.002  
Level 3 | Residual interest securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Marketable securities: $ (40,166) $ (34,506)  
Level 3 | Residual interest securities | Discount rate | -2%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Marketable securities: $ (1,408)    
Marketable securities, measurement input 0.077    
Level 3 | Residual interest securities | Discount rate | -1%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Marketable securities: $ (659)    
Marketable securities, measurement input 0.036    
Level 3 | Residual interest securities | Discount rate | +1%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Marketable securities: $ (653)    
Marketable securities, measurement input (0.036)    
Level 3 | Residual interest securities | Discount rate | +2%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Marketable securities: $ (1,275)    
Marketable securities, measurement input (0.070)    
Level 3 | Residual interest securities | CPR | -20%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Marketable securities: $ (2,970)    
Marketable securities, measurement input 0.164    
Level 3 | Residual interest securities | CPR | -10%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Marketable securities: $ (1,407)    
Marketable securities, measurement input 0.078    
Level 3 | Residual interest securities | CPR | +10%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Marketable securities: $ (1,269)    
Marketable securities, measurement input (0.070)    
Level 3 | Residual interest securities | CPR | +20%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Marketable securities: $ (2,814)    
Marketable securities, measurement input (0.156)    
Level 3 | Residual interest securities | CDR | -20%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Marketable securities: $ (723)    
Marketable securities, measurement input 0.040    
Level 3 | Residual interest securities | CDR | -10%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Marketable securities: $ (347)    
Marketable securities, measurement input 0.019    
Level 3 | Residual interest securities | CDR | +10%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Marketable securities: $ (388)    
Marketable securities, measurement input (0.022)    
Level 3 | Residual interest securities | CDR | +20%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Marketable securities: $ (743)    
Marketable securities, measurement input (0.041)    
Level 3 | HELOC loans      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset $ 111,211 86,465  
Loans held for sale, at fair value 320,566 $ 366,154  
Level 3 | HELOC loans | Discount rate | -2%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset $ 6,793    
Servicing assets, measurement input 0.063    
Loans held for sale, at fair value $ 16,724    
Loans held for sale, measurement input 0.037    
Level 3 | HELOC loans | Discount rate | -1%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset $ 3,289    
Servicing assets, measurement input 0.030    
Loans held for sale, at fair value $ 12,418    
Loans held for sale, measurement input 0.027    
Level 3 | HELOC loans | Discount rate | +1%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset $ 3,105    
Servicing assets, measurement input (0.029)    
Loans held for sale, at fair value $ 15,234    
Loans held for sale, measurement input (0.033)    
Level 3 | HELOC loans | Discount rate | +2%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset $ 6,025    
Servicing assets, measurement input (0.056)    
Loans held for sale, at fair value $ 30,126    
Loans held for sale, measurement input (0.066)    
Level 3 | HELOC loans | CPR | -20%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset $ 6,815    
Servicing assets, measurement input 0.063    
Loans held for sale, at fair value $ 1,068    
Loans held for sale, measurement input 0.002    
Level 3 | HELOC loans | CPR | -10%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset $ 3,299    
Servicing assets, measurement input 0.031    
Loans held for sale, at fair value $ 570    
Loans held for sale, measurement input 0.001    
Level 3 | HELOC loans | CPR | +10%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset $ 3,094    
Servicing assets, measurement input (0.029)    
Loans held for sale, at fair value $ 813    
Loans held for sale, measurement input (0.002)    
Level 3 | HELOC loans | CPR | +20%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset $ 6,004    
Servicing assets, measurement input (0.056)    
Loans held for sale, at fair value $ 1,636    
Loans held for sale, measurement input (0.004)    
Level 3 | HELOC loans | CDR | -20%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset $ 0    
Servicing assets, measurement input 0    
Loans held for sale, at fair value $ 1,655    
Loans held for sale, measurement input 0.004    
Level 3 | HELOC loans | CDR | -10%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset $ 0    
Servicing assets, measurement input 0    
Loans held for sale, at fair value $ 816    
Loans held for sale, measurement input 0.002    
Level 3 | HELOC loans | CDR | +10%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset $ 0    
Servicing assets, measurement input 0    
Loans held for sale, at fair value $ 930    
Loans held for sale, measurement input (0.002)    
Level 3 | HELOC loans | CDR | +20%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset $ 0    
Servicing assets, measurement input 0    
Loans held for sale, at fair value $ 1,820    
Loans held for sale, measurement input (0.004)    
Level 3 | HELOC loans | Servicing Rate      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing assets, measurement input 0.003 0.002  
Level 3 | HELOC loans | Servicing Rate | -20%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset $ 9,022    
Servicing assets, measurement input 0.083    
Level 3 | HELOC loans | Servicing Rate | -10%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset $ 4,511    
Servicing assets, measurement input 0.042    
Level 3 | HELOC loans | Servicing Rate | +10%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset $ 4,511    
Servicing assets, measurement input (0.042)    
Level 3 | HELOC loans | Servicing Rate | +20%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset $ 9,022    
Servicing assets, measurement input (0.083)    
Level 3 | Mortgage loans      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset $ 1,853 $ 2,032  
Level 3 | Mortgage loans | Discount rate | -2%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset, net $ (187)    
Servicing assets, measurement input (0.101)    
Level 3 | Mortgage loans | Discount rate | -1%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset, net $ (90)    
Servicing assets, measurement input (0.048)    
Level 3 | Mortgage loans | Discount rate | +1%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset, net $ 82    
Servicing assets, measurement input 0.044    
Level 3 | Mortgage loans | Discount rate | +2%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset, net $ 158    
Servicing assets, measurement input 0.085    
Level 3 | Mortgage loans | CPR | -20%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset, net $ (98)    
Servicing assets, measurement input (0.053)    
Level 3 | Mortgage loans | CPR | -10%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset, net $ (48)    
Servicing assets, measurement input (0.026)    
Level 3 | Mortgage loans | CPR | +10%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset, net $ 46    
Servicing assets, measurement input 0.025    
Level 3 | Mortgage loans | CPR | +20%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing asset, net $ 90    
Servicing assets, measurement input 0.049    
Level 3 | Mortgage loans | Servicing Rate      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing assets, measurement input 0.003 0  
Level 3 | Personal loans      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Loans held for sale, at fair value $ 79,113    
Level 3 | Personal loans | Discount rate | -2%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Loans held for sale, at fair value $ 15    
Loans held for sale, measurement input 0.011    
Level 3 | Personal loans | Discount rate | -1%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Loans held for sale, at fair value $ 7    
Loans held for sale, measurement input 0.005    
Level 3 | Personal loans | Discount rate | +1%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Loans held for sale, at fair value $ 7    
Loans held for sale, measurement input (0.005)    
Level 3 | Personal loans | Discount rate | +2%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Loans held for sale, at fair value $ 14    
Loans held for sale, measurement input (0.010)    
Level 3 | Personal loans | CPR | -20%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Loans held for sale, at fair value $ 0    
Loans held for sale, measurement input 0    
Level 3 | Personal loans | CPR | -10%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Loans held for sale, at fair value $ 0    
Loans held for sale, measurement input 0    
Level 3 | Personal loans | CPR | +10%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Loans held for sale, at fair value $ 0    
Loans held for sale, measurement input 0    
Level 3 | Personal loans | CPR | +20%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Loans held for sale, at fair value $ 0    
Loans held for sale, measurement input 0    
Level 3 | Personal loans | CDR | -20%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Loans held for sale, at fair value $ 0    
Loans held for sale, measurement input 0    
Level 3 | Personal loans | CDR | -10%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Loans held for sale, at fair value $ 0    
Loans held for sale, measurement input 0    
Level 3 | Personal loans | CDR | +10%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Loans held for sale, at fair value $ 0    
Loans held for sale, measurement input 0    
Level 3 | Personal loans | CDR | +20%      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Loans held for sale, at fair value $ 0    
Loans held for sale, measurement input 0