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Loans - Loan Delinquency (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Loans [Line Items] |  |  |  |  |
Non- accrual loans | $ 33,212 |  | $ 33,212 |  | $ 16,512
Total past due and non-accrual | 41,510 |  | 41,510 |  | 19,593
Total loans | 7,478,438 |  | 7,478,438 |  | 7,220,469
Non-accrual loans with a related allowance | 12,691 |  | 12,691 |  | 6,845
Non-accrual loans with no related allowance | 20,521 |  | 20,521 |  | 9,667
Non-accrual interest income | 0 | $ 0 | 0 | $ 0 |
Commercial Portfolio Segment [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Non- accrual loans | 11,189 |  | 11,189 |  | 11,300
Total past due and non-accrual | 16,431 |  | 16,431 |  | 12,971
Total loans | 4,349,012 |  | 4,349,012 |  | 4,251,780
Non-accrual loans with a related allowance | 9,194 |  | 9,194 |  | 2,788
Non-accrual loans with no related allowance | 1,995 |  | 1,995 |  | 8,512
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Non- accrual loans | 2,284 |  | 2,284 |  | 2,601
Total past due and non-accrual | 7,135 |  | 7,135 |  | 3,573
Total loans | 1,940,200 |  | 1,940,200 |  | 2,024,835
Non-accrual loans with a related allowance | 2,284 |  | 2,284 |  | 1,640
Non-accrual loans with no related allowance |  |  |  |  | 961
Commercial Portfolio Segment [Member] | Municipal Securities [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 1,013,272 |  | 1,013,272 |  | 959,626
Commercial Portfolio Segment [Member] | Owner-Occupied [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Non- accrual loans | 1,661 |  | 1,661 |  | 6,551
Total past due and non-accrual | 1,872 |  | 1,872 |  | 6,551
Total loans | 1,075,380 |  | 1,075,380 |  | 913,340
Non-accrual loans with a related allowance | 237 |  | 237 |  | 693
Non-accrual loans with no related allowance | 1,424 |  | 1,424 |  | 5,858
Commercial Portfolio Segment [Member] | Agriculture [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Non- accrual loans | 7,244 |  | 7,244 |  | 2,148
Total past due and non-accrual | 7,424 |  | 7,424 |  | 2,847
Total loans | 320,160 |  | 320,160 |  | 353,979
Non-accrual loans with a related allowance | 6,673 |  | 6,673 |  | 455
Non-accrual loans with no related allowance | 571 |  | 571 |  | 1,693
Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Non- accrual loans | 13,537 |  | 13,537 |  | 685
Total past due and non-accrual | 13,763 |  | 13,763 |  | 1,314
Total loans | 1,814,059 |  | 1,814,059 |  | 1,696,050
Non-accrual loans with a related allowance | 65 |  | 65 |  | 685
Non-accrual loans with no related allowance | 13,472 |  | 13,472 |  |
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 327,756 |  | 327,756 |  | 341,325
Commercial Real Estate Portfolio Segment [Member] | Commercial Acquisition/Development [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 98,412 |  | 98,412 |  | 129,102
Commercial Real Estate Portfolio Segment [Member] | Multifamily [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 328,534 |  | 328,534 |  | 213,677
Commercial Real Estate Portfolio Segment [Member] | Non Owner-Occupied [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Non- accrual loans | 13,537 |  | 13,537 |  | 685
Total past due and non-accrual | 13,763 |  | 13,763 |  | 1,314
Total loans | 1,059,357 |  | 1,059,357 |  | 1,011,946
Non-accrual loans with a related allowance | 65 |  | 65 |  | 685
Non-accrual loans with no related allowance | 13,472 |  | 13,472 |  |
Residential Portfolio Segment [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Non- accrual loans | 8,424 |  | 8,424 |  | 4,515
Total past due and non-accrual | 11,174 |  | 11,174 |  | 5,216
Total loans | 1,295,991 |  | 1,295,991 |  | 1,251,281
Non-accrual loans with a related allowance | 3,376 |  | 3,376 |  | 3,360
Non-accrual loans with no related allowance | 5,048 |  | 5,048 |  | 1,155
Residential Portfolio Segment [Member] | Sr lien [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Non- accrual loans | 7,662 |  | 7,662 |  | 4,174
Total past due and non-accrual | 9,604 |  | 9,604 |  | 4,620
Total loans | 1,205,502 |  | 1,205,502 |  | 1,154,348
Non-accrual loans with a related allowance | 2,914 |  | 2,914 |  | 3,019
Non-accrual loans with no related allowance | 4,748 |  | 4,748 |  | 1,155
Residential Portfolio Segment [Member] | Jr Lien 1-4 Family Closed End [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Non- accrual loans | 762 |  | 762 |  | 341
Total past due and non-accrual | 1,570 |  | 1,570 |  | 596
Total loans | 90,489 |  | 90,489 |  | 96,933
Non-accrual loans with a related allowance | 462 |  | 462 |  | 341
Non-accrual loans with no related allowance | 300 |  | 300 |  |
Consumer Loan [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Non- accrual loans | 62 |  | 62 |  | 12
Total past due and non-accrual | 142 |  | 142 |  | 92
Total loans | 19,376 |  | 19,376 |  | 21,358
Non-accrual loans with a related allowance | 56 |  | 56 |  | 12
Non-accrual loans with no related allowance | 6 |  | 6 |  |
30-89 Days Past Due |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 8,144 |  | 8,144 |  | 2,986
30-89 Days Past Due | Commercial Portfolio Segment [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 5,102 |  | 5,102 |  | 1,618
30-89 Days Past Due | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 4,851 |  | 4,851 |  | 919
30-89 Days Past Due | Commercial Portfolio Segment [Member] | Owner-Occupied [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 211 |  | 211 |  |
30-89 Days Past Due | Commercial Portfolio Segment [Member] | Agriculture [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 40 |  | 40 |  | 699
30-89 Days Past Due | Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 226 |  | 226 |  | 629
30-89 Days Past Due | Commercial Real Estate Portfolio Segment [Member] | Non Owner-Occupied [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 226 |  | 226 |  | 629
30-89 Days Past Due | Residential Portfolio Segment [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 2,742 |  | 2,742 |  | 701
30-89 Days Past Due | Residential Portfolio Segment [Member] | Sr lien [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 1,934 |  | 1,934 |  | 446
30-89 Days Past Due | Residential Portfolio Segment [Member] | Jr Lien 1-4 Family Closed End [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 808 |  | 808 |  | 255
30-89 Days Past Due | Consumer Loan [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 74 |  | 74 |  | 38
Greater than 90 Days Past Due |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 154 |  | 154 |  | 95
Greater than 90 Days Past Due | Commercial Portfolio Segment [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 140 |  | 140 |  | 53
Greater than 90 Days Past Due | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans |  |  |  |  | 53
Greater than 90 Days Past Due | Commercial Portfolio Segment [Member] | Agriculture [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 140 |  | 140 |  |
Greater than 90 Days Past Due | Residential Portfolio Segment [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 8 |  | 8 |  |
Greater than 90 Days Past Due | Residential Portfolio Segment [Member] | Sr lien [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 8 |  | 8 |  |
Greater than 90 Days Past Due | Consumer Loan [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 6 |  | 6 |  | 42
Current |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 7,436,928 |  | 7,436,928 |  | 7,200,876
Current | Commercial Portfolio Segment [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 4,332,581 |  | 4,332,581 |  | 4,238,809
Current | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 1,933,065 |  | 1,933,065 |  | 2,021,262
Current | Commercial Portfolio Segment [Member] | Municipal Securities [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 1,013,272 |  | 1,013,272 |  | 959,626
Current | Commercial Portfolio Segment [Member] | Owner-Occupied [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 1,073,508 |  | 1,073,508 |  | 906,789
Current | Commercial Portfolio Segment [Member] | Agriculture [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 312,736 |  | 312,736 |  | 351,132
Current | Commercial Real Estate Portfolio Segment [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 1,800,296 |  | 1,800,296 |  | 1,694,736
Current | Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 327,756 |  | 327,756 |  | 341,325
Current | Commercial Real Estate Portfolio Segment [Member] | Commercial Acquisition/Development [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 98,412 |  | 98,412 |  | 129,102
Current | Commercial Real Estate Portfolio Segment [Member] | Multifamily [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 328,534 |  | 328,534 |  | 213,677
Current | Commercial Real Estate Portfolio Segment [Member] | Non Owner-Occupied [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 1,045,594 |  | 1,045,594 |  | 1,010,632
Current | Residential Portfolio Segment [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 1,284,817 |  | 1,284,817 |  | 1,246,065
Current | Residential Portfolio Segment [Member] | Sr lien [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 1,195,898 |  | 1,195,898 |  | 1,149,728
Current | Residential Portfolio Segment [Member] | Jr Lien 1-4 Family Closed End [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | 88,919 |  | 88,919 |  | 96,337
Current | Consumer Loan [Member] |  |  |  |  |
Loans [Line Items] |  |  |  |  |
Total loans | $ 19,234 |  | $ 19,234 |  | $ 21,266

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