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Derivative Financial Instruments - Impact of Derivatives on Consolidated Statements of Income (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Cash Flow Hedges |  |
Interest expense | $ 105,044 | $ 174,817
Trading |  |
Total | 6,501 | 46,342
Designated as Hedging Instrument |  |
Fair Value Hedges |  |
Interest recognized on derivatives | 22,610 | 4,623
Hedged items recorded in interest expense | 31,275 | (143,248)
Derivatives recorded in interest expense | (31,251) | 144,183
Trading |  |
Total | 22,634 | 5,558
Designated as Hedging Instrument | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent | Reclassification out of Accumulated Other Comprehensive Income |  |
Cash Flow Hedges |  |
Interest expense | (5,269) | (1,528)
Trading |  |
Trading |  |
Change in fair value of future interest payments recorded in earnings | (10,864) | 42,312
Total | $ (10,864) | $ 42,312

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