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Fair Value of Financial Instruments - Fair Value Measured on a Recurring Basis (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Securities available for sale, fair value | $ 819,861 | $ 777,236
Collateralized Mortgage Backed Securities [Member] |  |
Securities available for sale, fair value | 468,366 | 572,184
Other Securities [Member] |  |
Securities available for sale, fair value | 1,494 | 1,695
Fair Value, Measurements, Recurring [Member] |  |
Total assets | 903,141 | 787,919
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 68,450 | 81,543
Fair Value, Measurements, Recurring [Member] | Collateralized Mortgage Backed Securities [Member] |  |
Securities available for sale, fair value | 468,366 | 572,184
Fair Value, Measurements, Recurring [Member] | Other Securities [Member] |  |
Securities available for sale, fair value | 351,495 | 205,052
Fair Value, Measurements, Recurring [Member] | Interest Rate Swap [Member] |  |
Interest Rate Swaps, Net Amount | 83,280 | 10,683
Interest Rate Swaps, Net Amount | 18,698 | 25,071
Fair Value, Measurements, Recurring [Member] | Junior Subordinated Debentures [Member] |  |
Borrowings | 49,752 | 56,472
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Total assets | 11,131 | 12,485
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Other Securities [Member] |  |
Securities available for sale, fair value | 11,131 | 12,485
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Total assets | 890,516 | 773,739
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 18,698 | 25,071
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Collateralized Mortgage Backed Securities [Member] |  |
Securities available for sale, fair value | 468,366 | 572,184
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Other Securities [Member] |  |
Securities available for sale, fair value | 338,870 | 190,872
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member] |  |
Interest Rate Swaps, Net Amount | 83,280 | 10,683
Interest Rate Swaps, Net Amount | 18,698 | 25,071
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Total assets | 1,494 | 1,695
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 49,752 | 56,472
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Other Securities [Member] |  |
Securities available for sale, fair value | 1,494 | 1,695
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Junior Subordinated Debentures [Member] |  |
Borrowings | 49,752 | 56,472
Fair Value, Measurements, Nonrecurring [Member] |  |
Total assets | 19,033 | 11,026
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 | 0
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Total assets | $ 19,033 | $ 11,026

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