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Derivatives - Derivatives Not Designated as Hedging Instruments - Interest Rate Contracts (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Derivative [Line Items] |  |
Derivative assets - Fair value | $ 708,284 | $ 484,184
Derivative liabilities - Fair value | 762,569 | 390,171
Derivatives not designated as hedging instruments |  |
Derivative [Line Items] |  |
Notional Amount | 20,346,090 | 19,522,661
Derivative assets - Fair value | 704,933 | 484,184
Derivative liabilities - Fair value | 762,473 | 389,889
Derivatives not designated as hedging instruments | Interest rate contracts |  |
Derivative [Line Items] |  |
Notional Amount | 17,570,112 | 17,575,420
Derivative assets - Fair value | 260,740 | 240,222
Derivative liabilities - Fair value | 359,578 | 179,905
Derivatives not designated as hedging instruments | Financial Counterparty | Interest rate contracts |  |
Derivative [Line Items] |  |
Notional Amount | 8,830,000 | 8,800,000
Interest rate contracts | Derivatives not designated as hedging instruments | Customer Counterparty | Purchased options |  |
Derivative [Line Items] |  |
Notional Amount | 0 |
Derivative assets - Fair value | 0 |
Derivative liabilities - Fair value | 0 |
Interest rate contracts | Derivatives not designated as hedging instruments | Customer Counterparty | Written options |  |
Derivative [Line Items] |  |
Notional Amount | 1,481,552 | 1,118,074
Derivative assets - Fair value | 0 | 0
Derivative liabilities - Fair value | 19,760 | 2,148
Interest rate contracts | Derivatives not designated as hedging instruments | Customer Counterparty | Sold collars and corridors |  |
Derivative [Line Items] |  |
Notional Amount | 187,168 | 194,181
Derivative assets - Fair value | 9 | 1,272
Derivative liabilities - Fair value | 5,040 | 642
Interest rate contracts | Derivatives not designated as hedging instruments | Customer Counterparty | Swaps |  |
Derivative [Line Items] |  |
Notional Amount | 7,069,901 | 7,460,836
Derivative assets - Fair value | 8,482 | 211,727
Derivative liabilities - Fair value | 326,853 | 39,650
Interest rate contracts | Derivatives not designated as hedging instruments | Customer Counterparty | Interest rate contracts |  |
Derivative [Line Items] |  |
Notional Amount | 8,738,621 | 8,773,091
Derivative assets - Fair value | 8,491 | 212,999
Derivative liabilities - Fair value | 351,653 | 42,440
Interest rate contracts | Derivatives not designated as hedging instruments | Financial Counterparty | Purchased options |  |
Derivative [Line Items] |  |
Notional Amount | 1,513,842 | 1,118,074
Derivative assets - Fair value | 20,933 | 2,159
Derivative liabilities - Fair value | 0 | 0
Interest rate contracts | Derivatives not designated as hedging instruments | Financial Counterparty | Written options |  |
Derivative [Line Items] |  |
Notional Amount | 32,290 |
Derivative assets - Fair value | 0 |
Derivative liabilities - Fair value | 1,076 |
Interest rate contracts | Derivatives not designated as hedging instruments | Financial Counterparty | Collars and corridors |  |
Derivative [Line Items] |  |
Notional Amount | 187,168 | 194,181
Derivative assets - Fair value | 5,071 | 646
Derivative liabilities - Fair value | 9 | 1,275
Interest rate contracts | Derivatives not designated as hedging instruments | Financial Counterparty | Swaps |  |
Derivative [Line Items] |  |
Notional Amount | 7,098,191 | 7,490,074
Derivative assets - Fair value | 226,245 | 24,418
Derivative liabilities - Fair value | 6,840 | 136,190
Interest rate contracts | Derivatives not designated as hedging instruments | Financial Counterparty | Interest rate contracts |  |
Derivative [Line Items] |  |
Notional Amount | 8,831,491 | 8,802,329
Derivative assets - Fair value | 252,249 | 27,223
Derivative liabilities - Fair value | $ 7,925 | $ 137,465

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