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FAIR VALUE MEASUREMENTS - Significant Valuation Input Sensitivity (Details) $ in Thousands | Sep. 30, 2025 USD ($) | Dec. 31, 2024 USD ($) | Sep. 30, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, Fair Value | $ 239,694 | $ 163,489 |  | $ 37,066 |
Loan, Held-for-Sale, Fair Value | 389,032 | 395,922 | $ 468,142 | 255,516 | $ 245,890
Residual interest securities |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, Fair Value | 38,308 | 34,506 |  | 11,952 |
Level 3 |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | 100,000 | 88,497 |  | 55,860 |
Loan, Held-for-Sale, Fair Value | $ 389,032 | $ 369,983 |  | $ 255,516 |
Level 3 | Discount Rate |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0.129 | 0.129 |  | 0.129 |
Loans Held For Sale, measurement input | 0.055 | 0.076 |  | 0.105 |
Level 3 | CPR |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0.135 | 0.142 |  | 0.142 |
Loans Held For Sale, measurement input | 0.131 | 0.137 |  | 0.163 |
Level 3 | CDR |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0.007 | 0.007 |  | 0.011 |
Loans Held For Sale, measurement input | 0.014 | 0.017 |  | 0.016 |
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 |  | 0.001 |
Loans Held For Sale, measurement input |  | 0 |  |  |
Level 3 | Loss Severity |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans Held For Sale, measurement input |  |  |  | 0.502 |
Level 3 | Residual interest securities |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, Fair Value | $ 38,308 | $ 34,506 |  | $ 11,952 |
Level 3 | Residual interest securities | Discount Rate | Minimum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, measurement input | 0.115 | 0.145 |  | 0.210 |
Level 3 | Residual interest securities | Discount Rate | Weighted average |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, measurement input | 0.183 | 0.197 |  | 0.212 |
Level 3 | Residual interest securities | Discount Rate | Maximum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, measurement input | 0.246 | 0.240 |  | 0.213 |
Level 3 | Residual interest securities | Discount Rate | -2% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, Fair Value | $ 780 | $ 1,599 |  |  |
Marketable Securities, measurement input | 0.039 | 0.046 |  |  |
Level 3 | Residual interest securities | Discount Rate | -1% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, Fair Value | $ 380 | $ 699 |  |  |
Marketable Securities, measurement input | 0.019 | 0.020 |  |  |
Level 3 | Residual interest securities | Discount Rate | +1% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, Fair Value | $ 360 | $ 1,163 |  |  |
Marketable Securities, measurement input | (0.018) | (0.034) |  |  |
Level 3 | Residual interest securities | Discount Rate | +2% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, Fair Value | $ 703 | $ 2,124 |  |  |
Marketable Securities, measurement input | (0.035) | (0.062) |  |  |
Level 3 | Residual interest securities | CPR | Minimum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, measurement input | 0.162 | 0.152 |  | 0.136 |
Level 3 | Residual interest securities | CPR | Weighted average |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, measurement input | 0.188 | 0.177 |  | 0.167 |
Level 3 | Residual interest securities | CPR | Maximum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, measurement input | 0.208 | 0.201 |  | 0.300 |
Level 3 | Residual interest securities | CPR | -20% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, Fair Value | $ 1,001 | $ (3,824) |  |  |
Marketable Securities, measurement input | 0.050 | (0.111) |  |  |
Level 3 | Residual interest securities | CPR | -10% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, Fair Value | $ 513 | $ (2,065) |  |  |
Marketable Securities, measurement input | 0.026 | (0.060) |  |  |
Level 3 | Residual interest securities | CPR | +10% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, Fair Value | $ 464 | $ (1,912) |  |  |
Marketable Securities, measurement input | (0.023) | 0.055 |  |  |
Level 3 | Residual interest securities | CPR | +20% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, Fair Value | $ 884 | $ (4,160) |  |  |
Marketable Securities, measurement input | (0.044) | 0.121 |  |  |
Level 3 | Residual interest securities | CDR | Minimum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, measurement input | 0 | 0.015 |  | 0.005 |
Level 3 | Residual interest securities | CDR | Weighted average |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, measurement input | 0.012 | 0.016 |  | 0.013 |
Level 3 | Residual interest securities | CDR | Maximum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, measurement input | 0.024 | 0.017 |  | 0.489 |
Level 3 | Residual interest securities | CDR | -20% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, Fair Value | $ 274 | $ 1,049 |  |  |
Marketable Securities, measurement input | 0.014 | 0.030 |  |  |
Level 3 | Residual interest securities | CDR | -10% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, Fair Value | $ 136 | $ 424 |  |  |
Marketable Securities, measurement input | 0.007 | 0.012 |  |  |
Level 3 | Residual interest securities | CDR | +10% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, Fair Value | $ 135 | $ 723 |  |  |
Marketable Securities, measurement input | (0.007) | (0.021) |  |  |
Level 3 | Residual interest securities | CDR | +20% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Marketable Securities, Fair Value | $ 269 | $ 1,263 |  |  |
Marketable Securities, measurement input | (0.014) | (0.037) |  |  |
Level 3 | HELOC loans |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 98,120 | $ 86,465 |  | $ 53,645 |
Loan, Held-for-Sale, Fair Value | $ 323,184 | $ 366,154 |  | $ 244,670 |
Level 3 | HELOC loans | Discount Rate | Minimum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0.130 | 0.130 |  | 0.120 |
Loans Held For Sale, measurement input | 0.049 | 0.064 |  | 0.076 |
Level 3 | HELOC loans | Discount Rate | Weighted average |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0.130 | 0.130 |  | 0.130 |
Loans Held For Sale, measurement input | 0.065 | 0.076 |  | 0.106 |
Level 3 | HELOC loans | Discount Rate | Maximum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0.130 | 0.130 |  | 0.140 |
Loans Held For Sale, measurement input | 0.089 | 0.101 |  | 0.177 |
Level 3 | HELOC loans | Discount Rate | -2% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 5,920 | $ 5,510 |  |  |
Servicing Assets, measurement Input | 0.062 | 0.063 |  |  |
Loan, Held-for-Sale, Fair Value | $ 16,052 | $ 7,804 |  |  |
Loans Held For Sale, measurement input | 0.034 | 0.023 |  |  |
Level 3 | HELOC loans | Discount Rate | -1% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 2,874 | $ 2,668 |  |  |
Servicing Assets, measurement Input | 0.030 | 0.030 |  |  |
Loan, Held-for-Sale, Fair Value | $ 10,890 | $ 6,025 |  |  |
Loans Held For Sale, measurement input | 0.023 | 0.018 |  |  |
Level 3 | HELOC loans | Discount Rate | +1% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 2,702 | $ 2,514 |  |  |
Servicing Assets, measurement Input | (0.028) | (0.029) |  |  |
Loan, Held-for-Sale, Fair Value | $ 14,240 | $ 10,088 |  |  |
Loans Held For Sale, measurement input | (0.030) | (0.030) |  |  |
Level 3 | HELOC loans | Discount Rate | +2% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 5,261 | $ 4,880 |  |  |
Servicing Assets, measurement Input | (0.055) | (0.055) |  |  |
Loan, Held-for-Sale, Fair Value | $ 29,376 | $ 21,523 |  |  |
Loans Held For Sale, measurement input | (0.062) | (0.064) |  |  |
Level 3 | HELOC loans | CPR | Minimum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0 | 0.010 |  | 0.100 |
Loans Held For Sale, measurement input | 0.026 | 0.013 |  | 0.004 |
Level 3 | HELOC loans | CPR | Weighted average |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0.137 | 0.144 |  | 0.146 |
Loans Held For Sale, measurement input | 0.156 | 0.136 |  | 0.160 |
Level 3 | HELOC loans | CPR | Maximum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0.325 | 0.330 |  | 0.194 |
Loans Held For Sale, measurement input | 0.396 | 0.324 |  | 0.210 |
Level 3 | HELOC loans | CPR | -20% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 6,044 | $ 5,642 |  |  |
Servicing Assets, measurement Input | 0.063 | 0.064 |  |  |
Loan, Held-for-Sale, Fair Value | $ 815 | $ 616 |  |  |
Loans Held For Sale, measurement input | 0.002 | 0.002 |  |  |
Level 3 | HELOC loans | CPR | -10% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 2,922 | $ 2,721 |  |  |
Servicing Assets, measurement Input | 0.031 | 0.031 |  |  |
Loan, Held-for-Sale, Fair Value | $ 488 | $ 336 |  |  |
Loans Held For Sale, measurement input | 0.001 | 0.001 |  |  |
Level 3 | HELOC loans | CPR | +10% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 2,740 | $ 2,540 |  |  |
Servicing Assets, measurement Input | (0.029) | (0.029) |  |  |
Loan, Held-for-Sale, Fair Value | $ 544 | $ 351 |  |  |
Loans Held For Sale, measurement input | (0.001) | (0.001) |  |  |
Level 3 | HELOC loans | CPR | +20% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 5,309 | $ 4,924 |  |  |
Servicing Assets, measurement Input | (0.056) | (0.056) |  |  |
Loan, Held-for-Sale, Fair Value | $ 1,245 | $ 732 |  |  |
Loans Held For Sale, measurement input | (0.003) | (0.002) |  |  |
Level 3 | HELOC loans | CDR | Minimum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0 | 0 |  | 0.003 |
Loans Held For Sale, measurement input | 0 | 0.015 |  | 0.005 |
Level 3 | HELOC loans | CDR | Weighted average |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0.008 | 0.007 |  | 0.011 |
Loans Held For Sale, measurement input | 0.016 | 0.016 |  | 0.013 |
Level 3 | HELOC loans | CDR | Maximum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0.049 | 0.044 |  | 0.023 |
Loans Held For Sale, measurement input | 0.943 | 0.017 |  | 0.489 |
Level 3 | HELOC loans | CDR | -20% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 0 |  |  |  |
Servicing Assets, measurement Input | 0 |  |  |  |
Loan, Held-for-Sale, Fair Value | $ 1,599 | $ 1,100 |  |  |
Loans Held For Sale, measurement input | 0.003 | 0.003 |  |  |
Level 3 | HELOC loans | CDR | -10% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 0 |  |  |  |
Servicing Assets, measurement Input | 0 |  |  |  |
Loan, Held-for-Sale, Fair Value | $ 807 | $ 560 |  |  |
Loans Held For Sale, measurement input | 0.002 | 0.002 |  |  |
Level 3 | HELOC loans | CDR | +10% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 0 |  |  |  |
Servicing Assets, measurement Input | 0 |  |  |  |
Loan, Held-for-Sale, Fair Value | $ 819 | $ 570 |  |  |
Loans Held For Sale, measurement input | (0.002) | (0.002) |  |  |
Level 3 | HELOC loans | CDR | +20% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 0 |  |  |  |
Servicing Assets, measurement Input | 0 |  |  |  |
Loan, Held-for-Sale, Fair Value | $ 1,628 | $ 1,100 |  |  |
Loans Held For Sale, measurement input | (0.004) | (0.003) |  |  |
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 |  | 0.001 |
Level 3 | HELOC loans | Servicing Rate | -20% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 8,002 | $ 6,020 |  |  |
Servicing Assets, measurement Input | 0.084 | 0.068 |  |  |
Level 3 | HELOC loans | Servicing Rate | -10% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 4,001 | $ 3,011 |  |  |
Servicing Assets, measurement Input | 0.042 | 0.034 |  |  |
Level 3 | HELOC loans | Servicing Rate | +10% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 4,001 | $ 3,006 |  |  |
Servicing Assets, measurement Input | (0.042) | (0.034) |  |  |
Level 3 | HELOC loans | Servicing Rate | +20% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 8,002 | $ 6,015 |  |  |
Servicing Assets, measurement Input | (0.084) | (0.068) |  |  |
Level 3 | HELOC loans | Loss Severity | Minimum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans Held For Sale, measurement input | 0 | 0.166 |  | 0.396 |
Level 3 | HELOC loans | Loss Severity | Weighted average |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans Held For Sale, measurement input | 0.284 | 0.324 |  | 0.484 |
Level 3 | HELOC loans | Loss Severity | Maximum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans Held For Sale, measurement input | 0.976 | 0.442 |  | 0.581 |
Level 3 | Mortgage loans |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 1,880 | $ 2,032 |  | $ 2,215 |
Level 3 | Mortgage loans | Discount Rate | Minimum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0.095 | 0.100 |  | 0.090 |
Level 3 | Mortgage loans | Discount Rate | Weighted average |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0.103 | 0.108 |  | 0.100 |
Level 3 | Mortgage loans | Discount Rate | Maximum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0.105 | 0.110 |  | 0.110 |
Level 3 | Mortgage loans | Discount Rate | -2% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 238 | $ 202 |  |  |
Servicing Assets, measurement Input | 0.126 | 0.099 |  |  |
Level 3 | Mortgage loans | Discount Rate | -1% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 114 | $ 97 |  |  |
Servicing Assets, measurement Input | 0.061 | 0.048 |  |  |
Level 3 | Mortgage loans | Discount Rate | +1% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 105 | $ 89 |  |  |
Servicing Assets, measurement Input | (0.056) | (0.044) |  |  |
Level 3 | Mortgage loans | Discount Rate | +2% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 202 | $ 171 |  |  |
Servicing Assets, measurement Input | (0.108) | (0.084) |  |  |
Level 3 | Mortgage loans | CPR | Minimum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0.036 | 0.039 |  | 0.042 |
Level 3 | Mortgage loans | CPR | Weighted average |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0.053 | 0.057 |  | 0.050 |
Level 3 | Mortgage loans | CPR | Maximum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0.080 | 0.082 |  | 0.074 |
Level 3 | Mortgage loans | CPR | -20% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 125 | $ 114 |  |  |
Servicing Assets, measurement Input | 0.067 | 0.056 |  |  |
Level 3 | Mortgage loans | CPR | -10% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 61 | $ 56 |  |  |
Servicing Assets, measurement Input | 0.033 | 0.027 |  |  |
Level 3 | Mortgage loans | CPR | +10% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 59 | $ 53 |  |  |
Servicing Assets, measurement Input | (0.031) | (0.026) |  |  |
Level 3 | Mortgage loans | CPR | +20% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, Fair Value | $ 115 | $ 105 |  |  |
Servicing Assets, measurement Input | (0.061) | (0.051) |  |  |
Level 3 | Mortgage loans | CDR | Minimum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0 | 0 |  | 0.001 |
Level 3 | Mortgage loans | CDR | Weighted average |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0.004 | 0.002 |  | 0.002 |
Level 3 | Mortgage loans | CDR | Maximum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0.011 | 0.010 |  | 0.005 |
Level 3 | Mortgage loans | Servicing Rate |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Servicing Assets, measurement Input | 0 | 0 |  |  |
Level 3 | Personal loans |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loan, Held-for-Sale, Fair Value | $ 62,935 |  |  |  |
Level 3 | Personal loans | Discount Rate | Minimum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans Held For Sale, measurement input | 0.089 |  |  |  |
Level 3 | Personal loans | Discount Rate | Weighted average |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans Held For Sale, measurement input | 0.102 |  |  |  |
Level 3 | Personal loans | Discount Rate | Maximum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans Held For Sale, measurement input | 0.115 |  |  |  |
Level 3 | Personal loans | Discount Rate | -2% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loan, Held-for-Sale, Fair Value | $ 62,297 |  |  |  |
Loans Held For Sale, measurement input | 0.007 |  |  |  |
Level 3 | Personal loans | Discount Rate | -1% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loan, Held-for-Sale, Fair Value | $ 62,155 |  |  |  |
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] |  |  |  |  |
Loan, Held-for-Sale, Fair Value | $ 61,446 |  |  |  |
Loans Held For Sale, measurement input | (0.007) |  |  |  |
Level 3 | Personal loans | Discount Rate | +2% |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loan, Held-for-Sale, Fair Value | $ 61,042 |  |  |  |
Loans Held For Sale, measurement input | (0.013) |  |  |  |
Level 3 | Personal loans | CPR | Minimum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans Held For Sale, measurement input | 0 |  |  |  |
Level 3 | Personal loans | CPR | Weighted average |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans Held For Sale, measurement input | 0 |  |  |  |
Level 3 | Personal loans | CPR | Maximum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
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] |  |  |  |  |
Loan, Held-for-Sale, 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] |  |  |  |  |
Loan, Held-for-Sale, 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] |  |  |  |  |
Loan, Held-for-Sale, 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] |  |  |  |  |
Loan, Held-for-Sale, Fair Value | $ 0 |  |  |  |
Loans Held For Sale, measurement input | 0 |  |  |  |
Level 3 | Personal loans | CDR | Minimum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans Held For Sale, measurement input | 0 |  |  |  |
Level 3 | Personal loans | CDR | Weighted average |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans Held For Sale, measurement input | 0 |  |  |  |
Level 3 | Personal loans | CDR | Maximum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
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] |  |  |  |  |
Loan, Held-for-Sale, 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] |  |  |  |  |
Loan, Held-for-Sale, 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] |  |  |  |  |
Loan, Held-for-Sale, 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] |  |  |  |  |
Loan, Held-for-Sale, Fair Value | $ 0 |  |  |  |
Loans Held For Sale, measurement input | 0 |  |  |  |
Level 3 | Personal loans | Loss Severity | Minimum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans Held For Sale, measurement input | 0 |  |  |  |
Level 3 | Personal loans | Loss Severity | Weighted average |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans Held For Sale, measurement input | 0 |  |  |  |
Level 3 | Personal loans | Loss Severity | Maximum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans Held For Sale, measurement input | 0 |  |  |  |

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