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Derivatives - Gains (Losses) in Cash Flow Hedge and Net Investment Hedge (Details) - Derivative instruments designated as hedging instruments - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Interest rate contracts | Cash Flow Hedging |  |
Derivative [Line Items] |  |
Gains (losses) recognized in AOCI: | $ 29,843 | $ (32,609)
Gains (losses) reclassified from AOCI into earnings: | (10,644) | 2,100
Interest rate contracts | Cash Flow Hedging | Interest expense (for cash flow hedges on borrowings) |  |
Derivative [Line Items] |  |
Gains (losses) reclassified from AOCI into earnings: |  | (173)
Interest rate contracts | Cash Flow Hedging | Interest and dividend income (for cash flow hedges on loans) |  |
Derivative [Line Items] |  |
Gains (losses) reclassified from AOCI into earnings: | (12,954) | 2,273
Interest rate contracts | Cash Flow Hedging | Noninterest income |  |
Derivative [Line Items] |  |
Gains (losses) reclassified from AOCI into earnings: |  | 0
Foreign exchange contracts | Net Investment Hedging |  |
Derivative [Line Items] |  |
Losses recognized in AOCI | (1,076) | $ (1,571)
Interest rate swap | Cash Flow Hedging | Interest expense (for cash flow hedges on borrowings) |  |
Derivative [Line Items] |  |
Gains (losses) reclassified from AOCI into earnings: | 696 |
Interest rate swap | Cash Flow Hedging | Noninterest income |  |
Derivative [Line Items] |  |
Gains (losses) reclassified from AOCI into earnings: | $ 1,614 |

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