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Fair Value Measurements - Recurring (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Assets: |  |
Securities available-for-sale | $ 1,609,759 | $ 1,693,632
Mortgage servicing rights | 11,461 | 7,097
U.S. Treasury |  |
Assets: |  |
Securities available-for-sale | 211,097 | 202,339
U.S. government agencies |  |
Assets: |  |
Securities available-for-sale | 55,963 | 61,888
States and political subdivisions |  |
Assets: |  |
Securities available-for-sale | 224,259 | 257,609
Corporate bonds |  |
Assets: |  |
Securities available-for-sale | 9,544 | 9,887
Collateralized mortgage obligations |  |
Assets: |  |
Securities available-for-sale | 587,846 | 672,967
Asset-backed Securities |  |
Assets: |  |
Securities available-for-sale | 219,587 | 236,877
Collateralized loan obligations. |  |
Assets: |  |
Securities available-for-sale | 173,837 | 79,763
Fair Value, Inputs, Level 1 [Member] |  |
Assets: |  |
Securities available-for-sale | 211,097 | 202,339
Fair Value, Inputs, Level 2 [Member] |  |
Assets: |  |
Securities available-for-sale | 1,385,353 | 1,476,057
Loans held-for-sale | 1,297 | 4,737
Other assets | 6,602 | 3,494
Liabilities: |  |
Other liabilities | 12,277 | 6,788
Fair Value, Inputs, Level 3 [Member] |  |
Assets: |  |
Securities available-for-sale | 13,309 | 15,236
Mortgage servicing rights | 11,461 | 7,097
Fair Value, Measurements, Recurring [Member] |  |
Assets: |  |
Loans held-for-sale | 1,297 | 4,737
Mortgage servicing rights | 11,461 | 7,097
Total financial assets | 1,629,329 | 1,709,468
Liabilities: |  |
Total | 12,278 | 6,809
Fair Value, Measurements, Recurring [Member] | Interest rate swap agreements, including risk participation agreement |  |
Assets: |  |
Other assets | 6,624 | 3,494
Liabilities: |  |
Other liabilities | 12,278 | 6,809
Fair Value, Measurements, Recurring [Member] | Forward Contracts [Member] |  |
Assets: |  |
Other assets | 188 | 508
Fair Value, Measurements, Recurring [Member] | U.S. Treasury |  |
Assets: |  |
Securities available-for-sale | 211,097 | 202,339
Fair Value, Measurements, Recurring [Member] | U.S. government agencies |  |
Assets: |  |
Securities available-for-sale | 55,963 | 61,888
Fair Value, Measurements, Recurring [Member] | Mortgage Backed Securities, Issued by US Government Agencies |  |
Assets: |  |
Securities available-for-sale | 127,626 | 172,302
Fair Value, Measurements, Recurring [Member] | States and political subdivisions |  |
Assets: |  |
Securities available-for-sale | 224,259 | 257,609
Fair Value, Measurements, Recurring [Member] | Corporate bonds |  |
Assets: |  |
Securities available-for-sale | 9,544 | 9,887
Fair Value, Measurements, Recurring [Member] | Collateralized mortgage obligations |  |
Assets: |  |
Securities available-for-sale | 587,846 | 672,967
Fair Value, Measurements, Recurring [Member] | Asset-backed Securities |  |
Assets: |  |
Securities available-for-sale | 219,587 | 236,877
Fair Value, Measurements, Recurring [Member] | Collateralized loan obligations. |  |
Assets: |  |
Securities available-for-sale | 173,837 | 79,763
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets: |  |
Total financial assets | 211,097 | 202,339
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | U.S. Treasury |  |
Assets: |  |
Securities available-for-sale | 211,097 | 202,339
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets: |  |
Loans held-for-sale | 1,297 | 4,737
Total financial assets | 1,393,462 | 1,484,796
Liabilities: |  |
Total | 12,278 | 6,809
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Interest rate swap agreements, including risk participation agreement |  |
Assets: |  |
Other assets | 6,624 | 3,494
Liabilities: |  |
Other liabilities | 12,278 | 6,809
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Forward Contracts [Member] |  |
Assets: |  |
Other assets | 188 | 508
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | U.S. government agencies |  |
Assets: |  |
Securities available-for-sale | 55,963 | 61,888
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Mortgage Backed Securities, Issued by US Government Agencies |  |
Assets: |  |
Securities available-for-sale | 127,626 | 172,302
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | States and political subdivisions |  |
Assets: |  |
Securities available-for-sale | 210,950 | 242,373
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Corporate bonds |  |
Assets: |  |
Securities available-for-sale | 9,544 | 9,887
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Collateralized mortgage obligations |  |
Assets: |  |
Securities available-for-sale | 587,846 | 672,967
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Asset-backed Securities |  |
Assets: |  |
Securities available-for-sale | 219,587 | 236,877
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Collateralized loan obligations. |  |
Assets: |  |
Securities available-for-sale | 173,837 | 79,763
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets: |  |
Mortgage servicing rights | 11,461 | 7,097
Total financial assets | 24,770 | 22,333
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | States and political subdivisions |  |
Assets: |  |
Securities available-for-sale | $ 13,309 | $ 15,236

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