Loans and Allowance for Credit Losses - Loans Receivable Disaggregated by Credit Quality Indicator (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Residential Mortgage
Financing Receivable Recorded Investment [Line Items]
2021	$ 535,071	$ 398,267
2020	329,652	221,019
2019	135,139	159,744
2018	101,438	144,314
2017	77,756	107,814
Prior	236,023	267,710
Total	1,415,079	1,298,868
Residential Mortgage | Current
Financing Receivable Recorded Investment [Line Items]
2021	535,071	398,267
2020	329,501	221,019
2019	135,139	158,962
2018	101,108	144,256
2017	77,702	106,360
Prior	232,129	265,620
Total	1,410,650	1,294,484
Residential Mortgage | Non-Performing Loans
Financing Receivable Recorded Investment [Line Items]
2020	151
2019		782
2018	330	58
2017	54	1,454
Prior	3,894	2,090
Total	4,429	4,384
Home Equity
Financing Receivable Recorded Investment [Line Items]
2021		2,131
2020	719	6,024
2019	3,311	7,997
2018	4,469	6,976
2017	5,060	2,119
Prior	5,475	5,191
Revolving loans amortized cost basis	68,926	75,756
Total	87,960	106,194
Home Equity | Current
Financing Receivable Recorded Investment [Line Items]
2021		2,131
2020	719	6,024
2019	3,088	7,997
2018	4,469	6,976
2017	5,060	2,119
Prior	5,475	5,191
Revolving loans amortized cost basis	68,926	75,756
Total	87,737	106,194
Home Equity | Non-Performing Loans
Financing Receivable Recorded Investment [Line Items]
2019	223
Total	223
Consumer
Financing Receivable Recorded Investment [Line Items]
2021	14,427	16,192
2020	8,758	5,819
2019	1,544	3,652
2018	3,168	2,643
2017	1,838	4,879
Prior	5,357	8,032
Revolving loans amortized cost basis	527	552
Total	35,619	41,769
Consumer | Current
Financing Receivable Recorded Investment [Line Items]
2021	14,427	16,192
2020	8,758	5,819
2019	1,544	3,652
2018	3,168	2,643
2017	1,838	4,879
Prior	5,357	8,032
Revolving loans amortized cost basis	527	552
Total	35,619	41,769
Commercial Mortgage
Financing Receivable Recorded Investment [Line Items]
2021	319,633	282,870
2020	249,787	397,043
2019	361,068	210,918
2018	180,933	107,759
2017	95,929	126,837
Prior	303,652	233,535
Total	1,511,002	1,358,962
Commercial Mortgage | 1-6 (Pass)
Financing Receivable Recorded Investment [Line Items]
2021	319,633	282,870
2020	248,691	396,026
2019	320,189	197,473
2018	158,462	106,489
2017	93,016	126,537
Prior	298,791	221,257
Total	1,438,782	1,330,652
Commercial Mortgage | 7 (Special Mention)
Financing Receivable Recorded Investment [Line Items]
2020	1,096	872
2019	40,879	13,445
2018	22,471	1,270
2017	2,913	85
Prior	4,131	8,304
Total	71,490	23,976
Commercial Mortgage | 8 (Substandard)
Financing Receivable Recorded Investment [Line Items]
2020		145
2017		215
Prior	730	3,300
Total	730	3,660
Commercial Mortgage | 9 (Doubtful)
Financing Receivable Recorded Investment [Line Items]
Prior		674
Total		674
Commercial & Industrial
Financing Receivable Recorded Investment [Line Items]
2021	83,932	212,223
2020	78,215	55,947
2019	46,153	41,555
2018	35,270	24,120
2017	19,888	5,007
Prior	5,625	8,577
Revolving loans amortized cost basis	363	426
Total	269,446	347,855
Commercial & Industrial | 1-6 (Pass)
Financing Receivable Recorded Investment [Line Items]
2021	83,614	210,356
2020	77,073	51,424
2019	38,299	37,286
2018	34,360	23,700
2017	19,727	2,920
Prior	4,622	7,373
Revolving loans amortized cost basis	353	416
Total	258,048	333,475
Commercial & Industrial | 7 (Special Mention)
Financing Receivable Recorded Investment [Line Items]
2021	318	534
2020	350	3,407
2019	5,523	3,725
2018	406	420
2017	161	180
Prior	859	1,001
Revolving loans amortized cost basis	10	10
Total	7,627	9,277
Commercial & Industrial | 8 (Substandard)
Financing Receivable Recorded Investment [Line Items]
2021		1,333
2020	792	1,116
2019	2,331	544
2018	504
2017		1,907
Prior	144	203
Total	$ 3,771	$ 5,103