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Fair Value Measurements - Recurring (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Assets: |  |
Securities available-for-sale | $ 1,190,854 | $ 1,192,829
Mortgage servicing rights | 9,726 | 10,344
U.S. Treasury |  |
Assets: |  |
Securities available-for-sale | 194,188 | 169,574
U.S. government agencies |  |
Assets: |  |
Securities available-for-sale | 37,976 | 56,959
States and political subdivisions |  |
Assets: |  |
Securities available-for-sale | 224,795 | 227,065
Collateralized mortgage obligations |  |
Assets: |  |
Securities available-for-sale | 384,271 | 392,544
Asset-backed Securities |  |
Assets: |  |
Securities available-for-sale | 63,947 | 68,436
Collateralized loan obligations. |  |
Assets: |  |
Securities available-for-sale | 189,264 | 171,881
Fair Value, Inputs, Level 1 |  |
Assets: |  |
Securities available-for-sale | 194,188 | 169,574
Fair Value, Inputs, Level 2 |  |
Assets: |  |
Securities available-for-sale | 980,498 | 1,007,926
Loans held-for-sale | 2,447 | 1,322
Interest rate derivatives | 4,499 | 5,302
Liabilities: |  |
Mortgage banking derivatives | 4,375 | 8,324
Fair Value, Inputs, Level 3 |  |
Assets: |  |
Securities available-for-sale | 16,168 | 15,329
Mortgage servicing rights | 9,726 | 10,344
Fair Value, Measurements, Recurring |  |
Assets: |  |
Loans held-for-sale | 2,447 | 1,322
Mortgage servicing rights | 9,726 | 10,344
Total financial assets | 1,207,673 | 1,209,886
Liabilities: |  |
Mortgage banking derivatives |  | 10
Total | 4,389 | 8,334
Fair Value, Measurements, Recurring | Interest rate swap agreements, including risk participation agreement |  |
Liabilities: |  |
Mortgage banking derivatives | 4,389 | 8,324
Fair Value, Measurements, Recurring | Forward Contracts |  |
Assets: |  |
Interest rate derivatives | 70 |
Fair Value, Measurements, Recurring | Interest Rate Products |  |
Assets: |  |
Interest rate derivatives | 4,576 | 5,391
Fair Value, Measurements, Recurring | U.S. Treasury |  |
Assets: |  |
Securities available-for-sale | 194,188 | 169,574
Fair Value, Measurements, Recurring | U.S. government agencies |  |
Assets: |  |
Securities available-for-sale | 37,976 | 56,959
Fair Value, Measurements, Recurring | Mortgage Backed Securities, Issued by US Government Agencies |  |
Assets: |  |
Securities available-for-sale | 96,413 | 106,370
Fair Value, Measurements, Recurring | States and political subdivisions |  |
Assets: |  |
Securities available-for-sale | 224,795 | 227,065
Fair Value, Measurements, Recurring | Collateralized mortgage obligations |  |
Assets: |  |
Securities available-for-sale | 384,271 | 392,544
Fair Value, Measurements, Recurring | Asset-backed Securities |  |
Assets: |  |
Securities available-for-sale | 63,947 | 68,436
Fair Value, Measurements, Recurring | Collateralized loan obligations. |  |
Assets: |  |
Securities available-for-sale | 189,264 | 171,881
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 |  |
Assets: |  |
Total financial assets | 194,188 | 169,574
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 | U.S. Treasury |  |
Assets: |  |
Securities available-for-sale | 194,188 | 169,574
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 |  |
Assets: |  |
Loans held-for-sale | 2,447 | 1,322
Total financial assets | 987,591 | 1,014,639
Liabilities: |  |
Mortgage banking derivatives |  | 10
Total | 4,389 | 8,334
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Interest rate swap agreements, including risk participation agreement |  |
Liabilities: |  |
Mortgage banking derivatives | 4,389 | 8,324
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Forward Contracts |  |
Assets: |  |
Interest rate derivatives | 70 |
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Interest Rate Products |  |
Assets: |  |
Interest rate derivatives | 4,576 | 5,391
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | U.S. government agencies |  |
Assets: |  |
Securities available-for-sale | 37,976 | 56,959
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Mortgage Backed Securities, Issued by US Government Agencies |  |
Assets: |  |
Securities available-for-sale | 96,413 | 106,370
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | States and political subdivisions |  |
Assets: |  |
Securities available-for-sale | 211,927 | 214,006
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Collateralized mortgage obligations |  |
Assets: |  |
Securities available-for-sale | 384,271 | 392,544
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Asset-backed Securities |  |
Assets: |  |
Securities available-for-sale | 60,647 | 66,166
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 | Collateralized loan obligations. |  |
Assets: |  |
Securities available-for-sale | 189,264 | 171,881
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 |  |
Assets: |  |
Mortgage servicing rights | 9,726 | 10,344
Total financial assets | 25,894 | 25,673
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | States and political subdivisions |  |
Assets: |  |
Securities available-for-sale | 12,868 | 13,059
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 | Asset-backed Securities |  |
Assets: |  |
Securities available-for-sale | $ 3,300 | $ 2,270

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