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Other Assets - Impact of Derivative Instruments on Earnings (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |
Income on swap variable receive leg | $ 34,078 | $ 44,177
Expense on swap fixed pay leg | (18,824) | (15,086)
Unrealized mark-to-market gain/(loss) | (44,842) | 23,182
Net price alignment expense on margin collateral received | (1,467) | (2,332)
Realized gain/(loss) on terminated swaps | 0 | 0
Total Net gain/(loss) on derivatives used for risk management purposes | $ (31,055) | $ 49,941

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