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Derivative Financial Instruments (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020
Junior subordinated debentures | $ 56,472 | $ 43,136
Notional amount | 1,524,031 | 1,481,109
Short term advances and brokered CD's | 996,500 | 1,021,500
Derivative instruments | (14,388) | (59,668)
Customer [Member] |  |
Derivative instruments | 114,000 | 62,800
Bank [Member] |  |
Derivative instruments | 114,000 | 62,800
Customer and Bank [Member] |  |
Derivative instruments | 228,000 | 125,600
Cash Flow Hedging [Member] |  |
Amount reclassified from accumulated other comprehensive loss to interest expense | 10,600 |
Amount to be reclassified from the accumulated comprehensive income (loss) into earnings | 10,600 |
Not Designated as Hedging Instrument [Member] |  |
Notional amount | 228,000 | 143,600
Designated as Hedging Instrument [Member] |  |
Notional amount | 299,600 | 316,100
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] |  |
Notional amount | 996,500 | 1,021,500
Interest Rate Swap [Member] |  |
Notional amount | 299,600 | 316,100
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member] |  |
Notional amount | 113,988 | 80,779
Derivative instruments | (3,355) | (6,998)
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] |  |
Notional amount | 641,500 | 1,021,500
Derivative instruments | (9,387) | (25,300)
Floating Rate Junior Subordinated Debentures [Member] |  |
Amount of hedged item |  | 18,000
Junior subordinated debentures |  | $ 61,900
Gain (loss) on termination of swaps | $ 4,700 |

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