Fair Value, Company's Level 3 Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands |
12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Servicing Asset [Abstract] | |||||||||||
| Beginning Balance | [1] | $ 233,658 | |||||||||
| Purchases, sales and other changes [Abstract] | |||||||||||
| Proceeds from sale of MSRs | 0 | $ 13,308 | $ 0 | ||||||||
| Gain on sale of MSRs | 0 | 504 | 0 | ||||||||
| Changes in Fair Value due to [Abstract] | |||||||||||
| Ending Balance | [1] | 214,831 | 233,658 | ||||||||
| Fair Value, Measurements, Recurring [Member] | Level 3 [Member] | |||||||||||
| Servicing Asset [Abstract] | |||||||||||
| Beginning Balance | 233,658 | 253,629 | 279,739 | ||||||||
| Purchases, sales and other changes [Abstract] | |||||||||||
| Purchases | 0 | 0 | 5 | ||||||||
| Sales | [2] | 0 | (12,804) | 0 | |||||||
| Other changes | [3] | (2) | (7) | (178) | |||||||
| Total | (2) | (12,811) | (173) | ||||||||
| Changes in Fair Value due to [Abstract] | |||||||||||
| Changes in valuation inputs or assumptions used in valuation model | (4,590) | 8,718 | (8,576) | ||||||||
| Other changes in fair value | [4] | $ (14,235) | $ (15,878) | $ (17,361) | |||||||
| Servicing Asset, Fair Value, Change in Fair Value, Other, Statement of Income or Comprehensive Income [Extensible Enumeration] | [3] | Unrealized Gain (Loss) On Investments In Servicing Related Assets | Unrealized Gain (Loss) On Investments In Servicing Related Assets | Unrealized Gain (Loss) On Investments In Servicing Related Assets | |||||||
| Unrealized gain (loss) included in Net Income | $ (18,825) | $ (7,160) | $ (25,937) | ||||||||
| Ending Balance | $ 214,831 | $ 233,658 | $ 253,629 | ||||||||
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