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Derivative Financial Instruments - Notional Amounts and Fair Values (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
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Derivatives designated as hedging instruments | Interest rate swaps |  |
Notional amounts and fair values of derivatives |  |
Notional Amount | $ 22,066 | $ 22,451
Derivatives designated as hedging instruments | Interest rate swaps | Included in other liabilities |  |
Notional amounts and fair values of derivatives |  |
Liability Derivatives | (852) | (1,276)
Derivatives Not Designated as Hedging Instruments | Interest rate swaps |  |
Notional amounts and fair values of derivatives |  |
Notional Amount | 2,962,557 | 3,002,333
Derivatives Not Designated as Hedging Instruments | Interest rate swaps | Included in other assets |  |
Notional amounts and fair values of derivatives |  |
Asset Derivatives | 68,046 | 129,888
Derivatives Not Designated as Hedging Instruments | Visa Derivative |  |
Notional amounts and fair values of derivatives |  |
Notional Amount | 102,430 | 92,647
Derivatives Not Designated as Hedging Instruments | Visa Derivative | Included in other liabilities |  |
Notional amounts and fair values of derivatives |  |
Liability Derivatives | (852) | (4,554)
Derivatives Not Designated as Hedging Instruments | Interest rate caps and floors |  |
Notional amounts and fair values of derivatives |  |
Notional Amount | 148,800 | 148,800
Derivatives Not Designated as Hedging Instruments | Interest rate caps and floors | Included in other assets |  |
Notional amounts and fair values of derivatives |  |
Asset Derivatives | 4 | 7
Derivatives Not Designated as Hedging Instruments | Interest rate caps and floors | Included in other liabilities |  |
Notional amounts and fair values of derivatives |  |
Liability Derivatives | (4) | (7)
Derivatives Not Designated as Hedging Instruments | Foreign exchange contracts |  |
Notional amounts and fair values of derivatives |  |
Notional Amount | $ 992 | $ 326

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