Loans - Credit Quality Indicators (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Total Loans
Financing receivable, excluding accrued interest, year one, originated, current fiscal year	$ 104,735	$ 227,176	$ 899,034
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year	803,103	765,365	628,578
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year	601,909	688,718	429,480
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year	405,380	282,872	224,846
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year	208,299	202,378	191,012
Prior	755,418	433,856	483,884
Revolving Loans Amortized Cost Basis	126,508	136,902	126,373
Revolving Loan Converted to Term	0	0	0
Total	3,005,352	2,737,267	2,983,207
Total Loans	2,974,568	2,709,606	2,953,255
Current-period gross charge-offs
Total	1,328	829
Commercial
Total Loans
Financing receivable, excluding accrued interest, year one, originated, current fiscal year	4,727	8,048	42,038
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year	35,164	53,484	28,718
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year	26,254	35,462	17,125
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year	13,145	10,995	8,335
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year	7,250	11,149	8,129
Prior	38,460	22,712	23,873
Revolving Loans Amortized Cost Basis	10,917	13,617	12,075
Revolving Loan Converted to Term	0	0	0
Total	135,917	155,467	140,293
Current-period gross charge-offs
Financing receivable, excluding accrued interest, year one, originated, current fiscal year, writeoff	0
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year, writeoff	0
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year, writeoff	0
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year, writeoff	0
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year, writeoff	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loan Converted to Term	0
Total	0
Commercial Real Estate
Total Loans
Financing receivable, excluding accrued interest, year one, originated, current fiscal year	12,605	25,450	163,143
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year	167,684	148,636	115,111
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year	115,019	292,421	127,618
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year	127,836	47,196	44,459
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year	43,516	37,699	69,073
Prior	246,990	85,481	185,794
Revolving Loans Amortized Cost Basis	1,707	1,554	1,824
Revolving Loan Converted to Term	0	0	0
Total	715,357	638,437	707,022
Current-period gross charge-offs
Financing receivable, excluding accrued interest, year one, originated, current fiscal year, writeoff	0
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year, writeoff	0
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year, writeoff	0
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year, writeoff	0
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year, writeoff	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loan Converted to Term	0
Total	0
Consumer
Total Loans
Financing receivable, excluding accrued interest, year one, originated, current fiscal year	71,838	155,883	483,288
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year	380,369	369,552	286,299
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year	262,765	216,031	155,426
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year	138,468	135,266	88,490
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year	75,911	69,921	39,009
Prior	143,561	29,533	12,119
Revolving Loans Amortized Cost Basis	457	462	504
Revolving Loan Converted to Term	0	0	0
Total	1,073,369	976,648	1,065,135
Current-period gross charge-offs
Financing receivable, excluding accrued interest, year one, originated, current fiscal year, writeoff	55
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year, writeoff	305
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year, writeoff	570
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year, writeoff	213
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year, writeoff	111
Prior	74
Revolving Loans Amortized Cost Basis	0
Revolving Loan Converted to Term	0
Total	1,328	799
Residential
Total Loans
Financing receivable, excluding accrued interest, year one, originated, current fiscal year	15,565	37,795	210,565
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year	219,886	193,693	198,450
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year	197,871	144,804	129,311
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year	125,931	89,415	83,562
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year	81,622	83,609	74,801
Prior	326,407	296,130	262,098
Revolving Loans Amortized Cost Basis	113,427	121,269	111,970
Revolving Loan Converted to Term	0	0	0
Total	1,080,709	966,715	1,070,757
Current-period gross charge-offs
Financing receivable, excluding accrued interest, year one, originated, current fiscal year, writeoff	0
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year, writeoff	0
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year, writeoff	0
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year, writeoff	0
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year, writeoff	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loan Converted to Term	0
Total	0	30
Satisfactory | Commercial
Total Loans
Financing receivable, excluding accrued interest, year one, originated, current fiscal year	4,727	8,048	42,038
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year	35,164	49,980	28,718
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year	26,254	31,869	16,870
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year	12,765	10,454	7,857
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year	6,830	11,149	8,129
Prior	35,014	22,662	20,379
Revolving Loans Amortized Cost Basis	8,095	7,656	8,909
Revolving Loan Converted to Term	0	0	0
Total	128,849	141,818	132,900
Satisfactory | Commercial Real Estate
Total Loans
Financing receivable, excluding accrued interest, year one, originated, current fiscal year	12,605	22,582	152,858
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year	157,534	143,784	115,111
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year	115,019	270,523	121,811
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year	122,364	42,126	43,647
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year	42,710	37,604	63,913
Prior	212,115	75,806	159,876
Revolving Loans Amortized Cost Basis	1,679	1,554	1,603
Revolving Loan Converted to Term	0	0	0
Total	664,026	593,979	658,819
Special Mention | Commercial
Total Loans
Financing receivable, excluding accrued interest, year one, originated, current fiscal year	0	0	0
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year	0	0	0
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year	0	0	0
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year	150	0	0
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year	0	0	0
Prior	26	50	30
Revolving Loans Amortized Cost Basis	26	0	30
Revolving Loan Converted to Term	0	0	0
Total	202	50	60
Special Mention | Commercial Real Estate
Total Loans
Financing receivable, excluding accrued interest, year one, originated, current fiscal year	0	627	9,678
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year	0	0	0
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year	0	5,825	0
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year	0	1,193	0
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year	0	0	789
Prior	5,043	1,213	241
Revolving Loans Amortized Cost Basis	0	0	0
Revolving Loan Converted to Term	0	0	0
Total	5,043	8,858	10,708
Substandard | Commercial
Total Loans
Financing receivable, excluding accrued interest, year one, originated, current fiscal year	0	0	0
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year	0	3,504	0
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year	0	3,593	255
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year	230	541	478
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year	420	0	0
Prior	3,420	0	3,464
Revolving Loans Amortized Cost Basis	2,796	5,961	3,136
Revolving Loan Converted to Term	0	0	0
Total	6,866	13,599	7,333
Substandard | Commercial Real Estate
Total Loans
Financing receivable, excluding accrued interest, year one, originated, current fiscal year	0	2,241	607
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year	10,150	4,852	0
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year	0	16,073	5,807
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year	5,472	3,877	812
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year	806	95	4,371
Prior	29,832	8,462	25,677
Revolving Loans Amortized Cost Basis	28	0	221
Revolving Loan Converted to Term	0	0	0
Total	46,288	35,600	37,495
Doubtful | Commercial
Total Loans
Financing receivable, excluding accrued interest, year one, originated, current fiscal year	0	0	0
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year	0	0	0
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year	0	0	0
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year	0	0	0
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year	0	0	0
Prior	0	0	0
Revolving Loans Amortized Cost Basis	0	0	0
Revolving Loan Converted to Term	0	0	0
Total	0	0	0
Doubtful | Commercial Real Estate
Total Loans
Financing receivable, excluding accrued interest, year one, originated, current fiscal year	0	0	0
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year	0	0	0
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year	0	0	0
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year	0	0	0
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year	0	0	0
Prior	0	0	0
Revolving Loans Amortized Cost Basis	0	0	0
Revolving Loan Converted to Term	0	0	0
Total	0	0	0
Performing | Consumer
Total Loans
Financing receivable, excluding accrued interest, year one, originated, current fiscal year	71,838	155,883	482,530
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year	379,339	369,231	284,831
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year	261,675	215,735	154,819
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year	138,034	134,973	88,165
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year	75,650	69,783	38,852
Prior	143,190	29,427	12,032
Revolving Loans Amortized Cost Basis	0	462	504
Revolving Loan Converted to Term	0	0	0
Total	1,069,726	975,494	1,061,733
Performing | Residential
Total Loans
Financing receivable, excluding accrued interest, year one, originated, current fiscal year	15,565	37,795	210,565
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year	219,336	193,693	198,195
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year	197,436	144,671	128,372
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year	124,992	89,415	82,965
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year	80,986	83,582	74,281
Prior	323,945	294,391	259,787
Revolving Loans Amortized Cost Basis	113,220	120,949	111,563
Revolving Loan Converted to Term	0	0	0
Total	1,075,480	964,496	1,065,728
Nonperforming | Consumer
Total Loans
Financing receivable, excluding accrued interest, year one, originated, current fiscal year	0	0	758
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year	1,030	321	1,468
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year	1,090	296	607
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year	434	293	325
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year	261	138	157
Prior	371	106	87
Revolving Loans Amortized Cost Basis	457	0	0
Revolving Loan Converted to Term	0	0	0
Total	3,643	1,154	3,402
Nonperforming | Residential
Total Loans
Financing receivable, excluding accrued interest, year one, originated, current fiscal year	0	0	0
Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year	550	0	255
Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year	435	133	939
Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year	939	0	597
Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year	636	27	520
Prior	2,462	1,739	2,311
Revolving Loans Amortized Cost Basis	207	320	407
Revolving Loan Converted to Term	0	0	0
Total	$ 5,229	$ 2,219	$ 5,029