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Derivative Financial Instruments - Impact of Derivatives on Consolidated Statements of Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Cash Flow Hedges |  |  |  |
Interest expense | $ 136,020 | $ 176,854 | $ 310,837 | $ 341,026
Trading |  |  |  |
Total | 6,802 | 15,102 | 53,144 | 16,675
Designated as Hedging Instrument |  |  |  |
Fair Value Hedges |  |  |  |
Interest recognized on derivatives | 19,433 | (4,061) | 24,056 | (7,888)
Hedged items recorded in interest expense | 2,296 | (57,717) | (140,952) | (81,703)
Derivatives recorded in interest expense | (2,855) | 57,449 | 141,328 | 81,337
Trading |  |  |  |
Total | 18,874 | (4,329) | 24,432 | (8,254)
Designated as Hedging Instrument | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent | Reclassification out of Accumulated Other Comprehensive Income |  |  |  |
Cash Flow Hedges |  |  |  |
Interest expense | (4,219) | 1,189 | (5,747) | 2,485
Trading |  |  |  |
Trading |  |  |  |
Change in fair value of future interest payments recorded in earnings | (7,853) | 18,242 | 34,459 | 22,444
Total | $ (7,853) | $ 18,242 | $ 34,459 | $ 22,444

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