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Fair Value - Changes in Fair Value for Items Measured at Fair Value Pursuant to Election of the Fair Value (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |
Interest income (expense) | $ 596,400 | $ 596,094 | $ 604,273
Interest (Expense) | (42,249) | (67,214) | $ (126,114)
Residential loans held for sale |  |  |
Schedule of Trading Securities and Other Trading Assets [Line Items] |  |  |
Other Gains and (Losses) | (2,139) | 1,962 |
Interest income (expense) | 2 | 18 |
Interest (Expense) | (6) | (24) |
Total Changes in Fair Values Included in Current Period Earnings | $ (2,143) | $ 1,956 |

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