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Fair Value - Fair value of derivatives is based on valuation models using observable market data as of the measurement date (Level 2 inputs) (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Fair value measurement |  |
Securities available-for-sale | $ 1,331,985 | $ 1,364,734
U.S. Government agencies |  |
Fair value measurement |  |
Securities available-for-sale | 106,281 | 120,123
Mortgage Backed Securities - residential |  |
Fair value measurement |  |
Securities available-for-sale | 618,969 | 626,428
Mortgage Backed Securities - commercial |  |
Fair value measurement |  |
Securities available-for-sale | 11,309 | 15,671
Collateralized Mortgage Obligations |  |
Fair value measurement |  |
Securities available-for-sale | 206,360 | 175,005
State and municipal obligations |  |
Fair value measurement |  |
Securities available-for-sale | 348,815 | 380,098
Municipal taxable |  |
Fair value measurement |  |
Securities available-for-sale | 32,606 | 38,626
U.S. Treasury |  |
Fair value measurement |  |
Securities available-for-sale | 2,056 | 204
Collateralized debt obligations |  |
Fair value measurement |  |
Securities available-for-sale | 3,111 | 3,359
Other securities |  |
Fair value measurement |  |
Securities available-for-sale | 2,478 | 5,220
Level 2 |  |
Fair value measurement |  |
Securities available-for-sale | 1,324,851 | 1,357,737
Derivative Assets | 3,555 | 1,030
Derivative Liability | (3,555) | (1,030)
Level 2 | U.S. Government agencies |  |
Fair value measurement |  |
Securities available-for-sale | 106,281 | 120,123
Level 2 | Mortgage Backed Securities - residential |  |
Fair value measurement |  |
Securities available-for-sale | 618,969 | 626,428
Level 2 | Mortgage Backed Securities - commercial |  |
Fair value measurement |  |
Securities available-for-sale | 11,309 | 15,671
Level 2 | Collateralized Mortgage Obligations |  |
Fair value measurement |  |
Securities available-for-sale | 206,360 | 175,005
Level 2 | State and municipal obligations |  |
Fair value measurement |  |
Securities available-for-sale | 347,270 | 378,203
Level 2 | Municipal taxable |  |
Fair value measurement |  |
Securities available-for-sale | 32,606 | 38,626
Level 2 | U.S. Treasury |  |
Fair value measurement |  |
Securities available-for-sale | 2,056 | 204
Level 2 | Other securities |  |
Fair value measurement |  |
Securities available-for-sale |  | 3,477
Level 3 |  |
Fair value measurement |  |
Securities available-for-sale | 7,134 | 6,997
Level 3 | State and municipal obligations |  |
Fair value measurement |  |
Securities available-for-sale | 1,545 | 1,895
Level 3 | Collateralized debt obligations |  |
Fair value measurement |  |
Securities available-for-sale | 3,111 | 3,359
Level 3 | Other securities |  |
Fair value measurement |  |
Securities available-for-sale | $ 2,478 | $ 1,743

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