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Loans - Loan Delinquency (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Loans [Line Items] |  |
Non- accrual loans | $ 28,228 | $ 16,512
Total past due and non-accrual | 41,051 | 19,593
Total loans | 7,698,758 | 7,220,469
Non-accrual loans with a related allowance | 25,431 | 6,845
Non-accrual loans with no related allowance | 2,797 | 9,667
Non-accrual interest income | 0 | 0
Commercial Portfolio Segment [Member] |  |
Loans [Line Items] |  |
Non- accrual loans | 8,767 | 11,300
Total past due and non-accrual | 17,958 | 12,971
Total loans | 4,499,035 | 4,251,780
Non-accrual loans with a related allowance | 8,181 | 2,788
Non-accrual loans with no related allowance | 586 | 8,512
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Loans [Line Items] |  |
Non- accrual loans | 2,250 | 2,601
Total past due and non-accrual | 11,429 | 3,573
Total loans | 1,966,909 | 2,024,835
Non-accrual loans with a related allowance | 2,250 | 1,640
Non-accrual loans with no related allowance |  | 961
Commercial Portfolio Segment [Member] | Municipal Securities [Member] |  |
Loans [Line Items] |  |
Total loans | 1,083,756 | 959,626
Commercial Portfolio Segment [Member] | Owner-Occupied [Member] |  |
Loans [Line Items] |  |
Non- accrual loans | 755 | 6,551
Total past due and non-accrual | 755 | 6,551
Total loans | 1,123,773 | 913,340
Non-accrual loans with a related allowance | 755 | 693
Non-accrual loans with no related allowance |  | 5,858
Commercial Portfolio Segment [Member] | Agriculture [Member] |  |
Loans [Line Items] |  |
Non- accrual loans | 5,762 | 2,148
Total past due and non-accrual | 5,774 | 2,847
Total loans | 324,597 | 353,979
Non-accrual loans with a related allowance | 5,176 | 455
Non-accrual loans with no related allowance | 586 | 1,693
Commercial Real Estate Portfolio Segment [Member] |  |
Loans [Line Items] |  |
Non- accrual loans | 13,472 | 685
Total past due and non-accrual | 14,609 | 1,314
Total loans | 1,856,750 | 1,696,050
Non-accrual loans with a related allowance | 13,472 | 685
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] |  |
Loans [Line Items] |  |
Total loans | 405,250 | 341,325
Commercial Real Estate Portfolio Segment [Member] | Commercial Acquisition/Development [Member] |  |
Loans [Line Items] |  |
Total past due and non-accrual | 1,077 |
Total loans | 100,096 | 129,102
Commercial Real Estate Portfolio Segment [Member] | Multifamily [Member] |  |
Loans [Line Items] |  |
Total loans | 311,770 | 213,677
Commercial Real Estate Portfolio Segment [Member] | Non Owner-Occupied [Member] |  |
Loans [Line Items] |  |
Non- accrual loans | 13,472 | 685
Total past due and non-accrual | 13,532 | 1,314
Total loans | 1,039,634 | 1,011,946
Non-accrual loans with a related allowance | 13,472 | 685
Residential Portfolio Segment [Member] |  |
Loans [Line Items] |  |
Non- accrual loans | 5,936 | 4,515
Total past due and non-accrual | 8,299 | 5,216
Total loans | 1,323,787 | 1,251,281
Non-accrual loans with a related allowance | 3,725 | 3,360
Non-accrual loans with no related allowance | 2,211 | 1,155
Residential Portfolio Segment [Member] | Sr lien [Member] |  |
Loans [Line Items] |  |
Non- accrual loans | 5,488 | 4,174
Total past due and non-accrual | 6,948 | 4,620
Total loans | 1,233,599 | 1,154,348
Non-accrual loans with a related allowance | 3,277 | 3,019
Non-accrual loans with no related allowance | 2,211 | 1,155
Residential Portfolio Segment [Member] | Jr Lien 1-4 Family Closed End [Member] |  |
Loans [Line Items] |  |
Non- accrual loans | 448 | 341
Total past due and non-accrual | 1,351 | 596
Total loans | 90,188 | 96,933
Non-accrual loans with a related allowance | 448 | 341
Consumer Loan [Member] |  |
Loans [Line Items] |  |
Non- accrual loans | 53 | 12
Total past due and non-accrual | 185 | 92
Total loans | 19,186 | 21,358
Non-accrual loans with a related allowance | 53 | 12
30-89 Days Past Due |  |
Loans [Line Items] |  |
Total loans | 12,232 | 2,986
30-89 Days Past Due | Commercial Portfolio Segment [Member] |  |
Loans [Line Items] |  |
Total loans | 9,179 | 1,618
30-89 Days Past Due | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Loans [Line Items] |  |
Total loans | 9,179 | 919
30-89 Days Past Due | Commercial Portfolio Segment [Member] | Agriculture [Member] |  |
Loans [Line Items] |  |
Total loans |  | 699
30-89 Days Past Due | Commercial Real Estate Portfolio Segment [Member] |  |
Loans [Line Items] |  |
Total loans | 1,137 | 629
30-89 Days Past Due | Commercial Real Estate Portfolio Segment [Member] | Commercial Acquisition/Development [Member] |  |
Loans [Line Items] |  |
Total loans | 1,077 |
30-89 Days Past Due | Commercial Real Estate Portfolio Segment [Member] | Non Owner-Occupied [Member] |  |
Loans [Line Items] |  |
Total loans | 60 | 629
30-89 Days Past Due | Residential Portfolio Segment [Member] |  |
Loans [Line Items] |  |
Total loans | 1,785 | 701
30-89 Days Past Due | Residential Portfolio Segment [Member] | Sr lien [Member] |  |
Loans [Line Items] |  |
Total loans | 1,410 | 446
30-89 Days Past Due | Residential Portfolio Segment [Member] | Jr Lien 1-4 Family Closed End [Member] |  |
Loans [Line Items] |  |
Total loans | 375 | 255
30-89 Days Past Due | Consumer Loan [Member] |  |
Loans [Line Items] |  |
Total loans | 131 | 38
Greater than 90 Days Past Due |  |
Loans [Line Items] |  |
Total loans | 591 | 95
Greater than 90 Days Past Due | Commercial Portfolio Segment [Member] |  |
Loans [Line Items] |  |
Total loans | 12 | 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 | 12 |
Greater than 90 Days Past Due | Residential Portfolio Segment [Member] |  |
Loans [Line Items] |  |
Total loans | 578 |
Greater than 90 Days Past Due | Residential Portfolio Segment [Member] | Sr lien [Member] |  |
Loans [Line Items] |  |
Total loans | 50 |
Greater than 90 Days Past Due | Residential Portfolio Segment [Member] | Jr Lien 1-4 Family Closed End [Member] |  |
Loans [Line Items] |  |
Total loans | 528 |
Greater than 90 Days Past Due | Consumer Loan [Member] |  |
Loans [Line Items] |  |
Total loans | 1 | 42
Current |  |
Loans [Line Items] |  |
Total loans | 7,657,707 | 7,200,876
Current | Commercial Portfolio Segment [Member] |  |
Loans [Line Items] |  |
Total loans | 4,481,077 | 4,238,809
Current | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |  |
Loans [Line Items] |  |
Total loans | 1,955,480 | 2,021,262
Current | Commercial Portfolio Segment [Member] | Municipal Securities [Member] |  |
Loans [Line Items] |  |
Total loans | 1,083,756 | 959,626
Current | Commercial Portfolio Segment [Member] | Owner-Occupied [Member] |  |
Loans [Line Items] |  |
Total loans | 1,123,018 | 906,789
Current | Commercial Portfolio Segment [Member] | Agriculture [Member] |  |
Loans [Line Items] |  |
Total loans | 318,823 | 351,132
Current | Commercial Real Estate Portfolio Segment [Member] |  |
Loans [Line Items] |  |
Total loans | 1,842,141 | 1,694,736
Current | Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] |  |
Loans [Line Items] |  |
Total loans | 405,250 | 341,325
Current | Commercial Real Estate Portfolio Segment [Member] | Commercial Acquisition/Development [Member] |  |
Loans [Line Items] |  |
Total loans | 99,019 | 129,102
Current | Commercial Real Estate Portfolio Segment [Member] | Multifamily [Member] |  |
Loans [Line Items] |  |
Total loans | 311,770 | 213,677
Current | Commercial Real Estate Portfolio Segment [Member] | Non Owner-Occupied [Member] |  |
Loans [Line Items] |  |
Total loans | 1,026,102 | 1,010,632
Current | Residential Portfolio Segment [Member] |  |
Loans [Line Items] |  |
Total loans | 1,315,488 | 1,246,065
Current | Residential Portfolio Segment [Member] | Sr lien [Member] |  |
Loans [Line Items] |  |
Total loans | 1,226,651 | 1,149,728
Current | Residential Portfolio Segment [Member] | Jr Lien 1-4 Family Closed End [Member] |  |
Loans [Line Items] |  |
Total loans | 88,837 | 96,337
Current | Consumer Loan [Member] |  |
Loans [Line Items] |  |
Total loans | $ 19,001 | $ 21,266

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