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Derivative Financial Instruments (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Junior subordinated debentures | $ 47,777 |  | $ 47,777 |  | $ 50,507
Notional amount, Assets | 1,907,043 |  | 1,907,043 |  | 1,084,955
Short term advances and brokered CD's | 922,500 |  | 922,500 |  | 871,500
Customer [Member] |  |  |  |  |
Derivative instruments | 120,400 |  | 120,400 |  | 110,600
Bank [Member] |  |  |  |  |
Derivative instruments | 120,400 |  | 120,400 |  | 110,600
Customer and Bank [Member] |  |  |  |  |
Derivative instruments | 240,700 |  | 240,700 |  | 221,200
Cash Flow Hedging [Member] |  |  |  |  |
Amount reclassified from accumulated other comprehensive loss to interest expense | 6,800 | $ 2,400 | 11,000 | $ 5,100 |
Amount to be reclassified from the accumulated comprehensive income (loss) into earnings |  |  | 25,500 |  |
Not Designated as Hedging Instrument [Member] |  |  |  |  |
Notional amount, Assets | 241,700 |  | 241,700 |  | 221,200
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] |  |  |  |  |
Notional amount, Assets | 921,500 |  | 921,500 |  | 871,500
Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] |  |  |  |  |
Amount of hedged item | 864,200 |  | 864,200 |  | 273,600
Interest Rate Swap [Member] |  |  |  |  |
Notional amount, Assets | 864,200 |  | 864,200 |  | 273,600
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member] |  |  |  |  |
Notional amount, Assets | 121,351 |  | 121,351 |  | 110,598
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] |  |  |  |  |
Notional amount, Assets | 921,500 |  | 921,500 |  | 700,750
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] |  |  |  |  |
Notional amount, Assets | 864,192 |  | 864,192 |  | $ 273,607
Portfolio Layer Hedges on Closed Portfolio of Securities Available for Sale [Member] | Designated as Hedging Instrument [Member] |  |  |  |  |
Notional amount, Assets | 294,931 |  | 294,931 |  |
Notional amount | 200,000 |  | 200,000 |  |
Portfolio Layer Hedges on Closed Portfolio of Loans [Member] | Designated as Hedging Instrument [Member] |  |  |  |  |
Notional amount, Assets | 2,651,394 |  | 2,651,394 |  |
Notional amount | $ 400,000 |  | $ 400,000 |  |

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