Loans - Loan Categories and Past Due Loans (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022
Financing Receivable, Past Due [Line Items]
Loans receivable held-for-sale, net, not part of disposal group	$ 417	$ 656	$ 831
Total	3,005,352	2,983,207	2,737,267
Loans 90 or More Days Past Due and Still Accruing Interest	241	1,157	55
Nonaccrual Loans	10,852	10,757	9,750
Nonaccrual With No Allowance for Credit Loss	10,852
Interest Income on Nonaccrual Loans	0
Commercial
Financing Receivable, Past Due [Line Items]
Total	135,917	140,293	155,467
Loans 90 or More Days Past Due and Still Accruing Interest	0	44	0
Nonaccrual Loans	8	8	70
Nonaccrual With No Allowance for Credit Loss	8
Interest Income on Nonaccrual Loans	0
Commercial Real Estate
Financing Receivable, Past Due [Line Items]
Total	715,357	707,022	638,437
Loans 90 or More Days Past Due and Still Accruing Interest	0	0	0
Nonaccrual Loans	3,085	3,110	6,360
Nonaccrual With No Allowance for Credit Loss	3,085
Interest Income on Nonaccrual Loans	0
Consumer
Financing Receivable, Past Due [Line Items]
Total	1,073,369	1,065,135	976,648
Loans 90 or More Days Past Due and Still Accruing Interest	0	0	0
Nonaccrual Loans	3,123	3,503	1,155
Nonaccrual With No Allowance for Credit Loss	3,123
Interest Income on Nonaccrual Loans	0
Residential
Financing Receivable, Past Due [Line Items]
Total	1,080,709	1,070,757	966,715
Loans 90 or More Days Past Due and Still Accruing Interest	241	1,113	55
Nonaccrual Loans	4,636	4,136	2,165
Nonaccrual With No Allowance for Credit Loss	4,636
Interest Income on Nonaccrual Loans	0
Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Total	23,526	28,907	15,101
Financial Asset, Past Due | Commercial
Financing Receivable, Past Due [Line Items]
Total	109	125	158
Financial Asset, Past Due | Commercial Real Estate
Financing Receivable, Past Due [Line Items]
Total	0	370	346
Financial Asset, Past Due | Consumer
Financing Receivable, Past Due [Line Items]
Total	18,681	21,677	10,234
Financial Asset, Past Due | Residential
Financing Receivable, Past Due [Line Items]
Total	4,736	6,735	4,363
Financing Receivables, 30 to 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	12,892	15,908	9,265
Financing Receivables, 30 to 59 Days Past Due | Commercial
Financing Receivable, Past Due [Line Items]
Total	62	48	69
Financing Receivables, 30 to 59 Days Past Due | Commercial Real Estate
Financing Receivable, Past Due [Line Items]
Total	0	370	0
Financing Receivables, 30 to 59 Days Past Due | Consumer
Financing Receivable, Past Due [Line Items]
Total	11,237	13,657	6,631
Financing Receivables, 30 to 59 Days Past Due | Residential
Financing Receivable, Past Due [Line Items]
Total	1,593	1,833	2,565
Financing Receivables, 60 to 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	4,486	4,662	2,918
Financing Receivables, 60 to 89 Days Past Due | Commercial
Financing Receivable, Past Due [Line Items]
Total	47	33	89
Financing Receivables, 60 to 89 Days Past Due | Commercial Real Estate
Financing Receivable, Past Due [Line Items]
Total	0	0	0
Financing Receivables, 60 to 89 Days Past Due | Consumer
Financing Receivable, Past Due [Line Items]
Total	4,439	4,517	2,562
Financing Receivables, 60 to 89 Days Past Due | Residential
Financing Receivable, Past Due [Line Items]
Total	0	112	267
Financing Receivables, Equal to Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Total	6,148	8,337	2,918
Financing Receivables, Equal to Greater than 90 Days Past Due | Commercial
Financing Receivable, Past Due [Line Items]
Total	0	44	0
Financing Receivables, Equal to Greater than 90 Days Past Due | Commercial Real Estate
Financing Receivable, Past Due [Line Items]
Total	0	0	346
Financing Receivables, Equal to Greater than 90 Days Past Due | Consumer
Financing Receivable, Past Due [Line Items]
Total	3,005	3,503	1,041
Financing Receivables, Equal to Greater than 90 Days Past Due | Residential
Financing Receivable, Past Due [Line Items]
Total	3,143	4,790	1,531
Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Total	2,981,826	2,954,300	2,722,166
Financial Asset, Not Past Due | Commercial
Financing Receivable, Past Due [Line Items]
Total	135,808	140,168	155,309
Financial Asset, Not Past Due | Commercial Real Estate
Financing Receivable, Past Due [Line Items]
Total	715,357	706,652	638,091
Financial Asset, Not Past Due | Consumer
Financing Receivable, Past Due [Line Items]
Total	1,054,688	1,043,458	966,414
Financial Asset, Not Past Due | Residential
Financing Receivable, Past Due [Line Items]
Total	$ 1,075,973	$ 1,064,022	$ 962,352