Loans - Amortized Costs by Segment of Loans by Risk Category and Origination Date (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	$ 578,669
2022	1,694,753
2021	975,536
2020	648,441
2019	500,005
Prior	687,003
Term Total	5,084,407
Revolving	1,070,683
Total	6,155,090	$ 5,928,933
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	59
2021	11
2020	1
2019	3
Prior	814
Term Total	888
Revolving	32
Total	920
Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	572,677
2022	1,617,503
2021	889,657
2020	618,757
2019	479,480
Prior	602,210
Term Total	4,780,284
Revolving	1,020,142
Total	5,800,426	5,824,901
Pass/Watch
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	1,762
2022	18,157
2021	11,944
2020	4,651
2019	2,772
Prior	40,634
Term Total	79,920
Revolving	27,507
Total	107,427
Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	2,731
2022	50,431
2021	36,373
2020	3,359
2019	2,810
Prior	13,261
Term Total	108,965
Revolving	6,398
Total	115,363
Substandard - Accruing
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	1,462
2022	3,587
2021	21,503
2020	13,699
2019	3,981
Prior	15,722
Term Total	59,954
Revolving	4,099
Total	64,053
Substandard - Nonaccrual
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	5,075
2021	15,753
2020	7,975
2019	10,962
Prior	15,176
Term Total	54,941
Revolving	12,537
Total	67,478
Doubtful
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	37
2022	0
2021	306
2020	0
2019	0
Prior	0
Term Total	343
Revolving	0
Total	343
Commercial and industrial
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	303,035
2022	695,735
2021	377,945
2020	148,718
2019	51,698
Prior	47,854
Term Total	1,624,985
Revolving	849,546
Total	2,474,531	3,025,074
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	59
2021	0
2020	0
2019	0
Prior	729
Term Total	788
Revolving	0
Total	788
Commercial and industrial | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	298,843
2022	629,602
2021	315,686
2020	132,497
2019	47,452
Prior	34,547
Term Total	1,458,627
Revolving	800,730
Total	2,259,357	2,969,786
Commercial and industrial | Pass/Watch
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	948
2022	12,627
2021	8,210
2020	3,110
2019	704
Prior	3,640
Term Total	29,239
Revolving	25,819
Total	55,058
Commercial and industrial | Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	2,716
2022	50,431
2021	33,333
2020	707
2019	708
Prior	2,283
Term Total	90,178
Revolving	6,398
Total	96,576
Commercial and industrial | Substandard - Accruing
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	491
2022	2,544
2021	9,519
2020	6,819
2019	2,112
Prior	3,778
Term Total	25,263
Revolving	4,099
Total	29,362
Commercial and industrial | Substandard - Nonaccrual
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	531
2021	10,891
2020	5,585
2019	722
Prior	3,606
Term Total	21,335
Revolving	12,500
Total	33,835
Commercial and industrial | Doubtful
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	37
2022	0
2021	306
2020	0
2019	0
Prior	0
Term Total	343
Revolving	0
Total	343
Commercial real estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	147,423
2022	404,185
2021	412,486
2020	271,972
2019	181,198
Prior	308,413
Term Total	1,725,677
Revolving	57,742
Total	1,783,419	1,753,360
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Term Total	0
Revolving	0
Total	0
Commercial real estate | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	146,480
2022	401,681
2021	397,554
2020	260,831
2019	168,899
Prior	249,571
Term Total	1,625,016
Revolving	56,103
Total	1,681,119	1,715,415
Commercial real estate | Pass/Watch
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	609
2022	1,111
2021	1,005
2020	1,436
2019	1,462
Prior	32,843
Term Total	38,466
Revolving	1,639
Total	40,105
Commercial real estate | Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	3,040
2020	2,644
2019	1,845
Prior	9,485
Term Total	17,014
Revolving	0
Total	17,014
Commercial real estate | Substandard - Accruing
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	334
2022	1,043
2021	6,472
2020	6,873
2019	1,869
Prior	11,818
Term Total	28,409
Revolving	0
Total	28,409
Commercial real estate | Substandard - Nonaccrual
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	350
2021	4,415
2020	188
2019	7,123
Prior	4,696
Term Total	16,772
Revolving	0
Total	16,772
Commercial real estate | Non-owner occupied
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	56,777
2022	120,593
2021	134,180
2020	116,058
2019	92,752
Prior	180,357
Term Total	700,717
Revolving	22,648
Total	723,365
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Term Total	0
Revolving	0
Total	0
Commercial real estate | Non-owner occupied | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	56,777
2022	120,593
2021	132,211
2020	116,058
2019	92,647
Prior	141,459
Term Total	659,745
Revolving	22,648
Total	682,393
Commercial real estate | Non-owner occupied | Pass/Watch
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	25,097
Term Total	25,097
Revolving	0
Total	25,097
Commercial real estate | Non-owner occupied | Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	4,907
Term Total	4,907
Revolving	0
Total	4,907
Commercial real estate | Non-owner occupied | Substandard - Accruing
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	1,969
2020	0
2019	0
Prior	4,976
Term Total	6,945
Revolving	0
Total	6,945
Commercial real estate | Non-owner occupied | Substandard - Nonaccrual
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	105
Prior	3,918
Term Total	4,023
Revolving	0
Total	4,023
Commercial real estate | Owner occupied
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	60,499
2022	114,618
2021	151,198
2020	113,150
2019	74,123
Prior	120,723
Term Total	634,311
Revolving	8,880
Total	643,191
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Term Total	0
Revolving	0
Total	0
Commercial real estate | Owner occupied | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	59,556
2022	113,041
2021	144,057
2020	102,838
2019	61,929
Prior	100,796
Term Total	582,217
Revolving	7,241
Total	589,458
Commercial real estate | Owner occupied | Pass/Watch
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	609
2022	1,111
2021	1,005
2020	1,436
2019	1,462
Prior	7,729
Term Total	13,352
Revolving	1,639
Total	14,991
Commercial real estate | Owner occupied | Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	1,633
2020	2,003
2019	1,845
Prior	4,578
Term Total	10,059
Revolving	0
Total	10,059
Commercial real estate | Owner occupied | Substandard - Accruing
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	334
2022	466
2021	4,503
2020	6,873
2019	1,869
Prior	6,842
Term Total	20,887
Revolving	0
Total	20,887
Commercial real estate | Owner occupied | Substandard - Nonaccrual
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	7,018
Prior	778
Term Total	7,796
Revolving	0
Total	7,796
Commercial real estate | Construction and land
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	27,825
2022	133,185
2021	90,613
2020	29,712
2019	8,290
Prior	6,132
Term Total	295,757
Revolving	20,642
Total	316,399
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Term Total	0
Revolving	0
Total	0
Commercial real estate | Construction and land | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	27,825
2022	132,258
2021	84,791
2020	28,883
2019	8,290
Prior	6,115
Term Total	288,162
Revolving	20,642
Total	308,804
Commercial real estate | Construction and land | Pass/Watch
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	17
Term Total	17
Revolving	0
Total	17
Commercial real estate | Construction and land | Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	1,407
2020	641
2019	0
Prior	0
Term Total	2,048
Revolving	0
Total	2,048
Commercial real estate | Construction and land | Substandard - Accruing
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	577
2021	0
2020	0
2019	0
Prior	0
Term Total	577
Revolving	0
Total	577
Commercial real estate | Construction and land | Substandard - Nonaccrual
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	350
2021	4,415
2020	188
2019	0
Prior	0
Term Total	4,953
Revolving	0
Total	4,953
Commercial real estate | Multifamily
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	2,322
2022	35,789
2021	36,495
2020	13,052
2019	6,033
Prior	1,201
Term Total	94,892
Revolving	5,572
Total	100,464
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Term Total	0
Revolving	0
Total	0
Commercial real estate | Multifamily | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	2,322
2022	35,789
2021	36,495
2020	13,052
2019	6,033
Prior	1,201
Term Total	94,892
Revolving	5,572
Total	100,464
Residential real estate
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	94,446
2022	565,422
2021	111,675
2020	45,644
2019	47,057
Prior	178,096
Term Total	1,042,340
Revolving	40,651
Total	1,082,991	1,106,793
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Term Total	0
Revolving	0
Total	0
Residential real estate | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	93,610
2022	556,873
2021	111,646
2020	43,442
2019	43,335
Prior	165,637
Term Total	1,014,543
Revolving	40,614
Total	1,055,157	1,096,108
Residential real estate | Pass/Watch
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	205
2022	4,355
2021	29
2020	0
2019	414
Prior	3,986
Term Total	8,989
Revolving	0
Total	8,989
Residential real estate | Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	257
Prior	1,493
Term Total	1,750
Revolving	0
Total	1,750
Residential real estate | Substandard - Accruing
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	631
2022	0
2021	0
2020	0
2019	0
Prior	126
Term Total	757
Revolving	0
Total	757
Residential real estate | Substandard - Nonaccrual
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	4,194
2021	0
2020	2,202
2019	3,051
Prior	6,854
Term Total	16,301
Revolving	37
Total	16,338
Public finance
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	31,602
2022	12,457
2021	44,308
2020	168,647
2019	212,855
Prior	138,915
Term Total	608,784
Revolving	2,964
Total	611,748
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Term Total	0
Revolving	0
Total	0
Public finance | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	31,602
2022	12,457
2021	44,308
2020	168,647
2019	212,855
Prior	138,915
Term Total	608,784
Revolving	2,964
Total	611,748
Consumer
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	1,491
2022	3,037
2021	6,395
2020	10,462
2019	4,196
Prior	3,349
Term Total	28,930
Revolving	10,979
Total	39,909	43,706
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	11
2020	1
2019	3
Prior	85
Term Total	100
Revolving	32
Total	132
Consumer | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	1,470
2022	2,973
2021	6,269
2020	10,342
2019	3,938
Prior	3,164
Term Total	28,156
Revolving	10,930
Total	39,086	$ 43,592
Consumer | Pass/Watch
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	64
2021	125
2020	105
2019	192
Prior	165
Term Total	651
Revolving	49
Total	700
Consumer | Special Mention
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	15
2022	0
2021	0
2020	8
2019	0
Prior	0
Term Total	23
Revolving	0
Total	23
Consumer | Substandard - Accruing
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	6
2022	0
2021	0
2020	7
2019	0
Prior	0
Term Total	13
Revolving	0
Total	13
Consumer | Substandard - Nonaccrual
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	1
2020	0
2019	66
Prior	20
Term Total	87
Revolving	0
Total	87
Other
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	672
2022	13,917
2021	22,727
2020	2,998
2019	3,001
Prior	10,376
Term Total	53,691
Revolving	108,801
Total	162,492
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Term Total	0
Revolving	0
Total	0
Other | Pass
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	672
2022	13,917
2021	14,194
2020	2,998
2019	3,001
Prior	10,376
Term Total	45,158
Revolving	108,801
Total	153,959
Other | Pass/Watch
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	2,575
2020	0
2019	0
Prior	0
Term Total	2,575
Revolving	0
Total	2,575
Other | Substandard - Accruing
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	5,512
2020	0
2019	0
Prior	0
Term Total	5,512
Revolving	0
Total	5,512
Other | Substandard - Nonaccrual
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]
2023	0
2022	0
2021	446
2020	0
2019	0
Prior	0
Term Total	446
Revolving	0
Total	$ 446