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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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- Definition

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