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Loans - Schedule of Classes of the Loan Portfolio Summarized by the Aggregate Risk Rating (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	$ 1,484,326	$ 1,468,427	$ 1,610,718
Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	1,399,612	1,365,490
Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	70,692	88,988
Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	14,022	13,949
Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	188,132	179,567	315,710
Commercial and industrial | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	180,907	169,636
Commercial and industrial | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	5,372	7,104
Commercial and industrial | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	1,853	2,827
Commercial and industrial | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	800,277	786,255	759,335
Commercial real estate | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	737,736	708,915
Commercial real estate | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	51,847	68,058
Commercial real estate | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	10,694	9,282
Commercial real estate | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Commercial real estate construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	54,366	50,000	50,132
Commercial real estate construction | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	49,875	46,230
Commercial real estate construction | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	4,491	3,770
Commercial real estate construction | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Commercial real estate construction | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	341,530	349,125	375,941
Residential mortgage | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	332,450	338,419
Residential mortgage | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	8,153	9,136
Residential mortgage | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	927	1,570
Residential mortgage | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	88,356	92,762	97,258
Home equity lines of credit | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	86,979	91,585
Home equity lines of credit | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	829	920
Home equity lines of credit | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	548	257
Home equity lines of credit | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	11,665	10,718	$ 12,342
Consumer | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	11,665	10,705
Consumer | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Consumer | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	13
Consumer | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Originated Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	1,175,398	1,145,034
Originated Loans | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	1,112,921	1,064,731
Originated Loans | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	53,269	69,514
Originated Loans | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	9,208	10,789
Originated Loans | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Originated Loans | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	156,345	147,513
Originated Loans | Commercial and industrial | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	150,964	139,908
Originated Loans | Commercial and industrial | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	3,896	5,549
Originated Loans | Commercial and industrial | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	1,485	2,056
Originated Loans | Commercial and industrial | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Originated Loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	590,277	566,098
Originated Loans | Commercial real estate | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	540,339	500,978
Originated Loans | Commercial real estate | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	42,290	56,462
Originated Loans | Commercial real estate | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	7,648	8,658
Originated Loans | Commercial real estate | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Originated Loans | Commercial real estate construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	48,188	42,661
Originated Loans | Commercial real estate construction | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	45,857	41,002
Originated Loans | Commercial real estate construction | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	2,331	1,659
Originated Loans | Commercial real estate construction | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Originated Loans | Commercial real estate construction | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Originated Loans | Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	298,763	304,077
Originated Loans | Residential mortgage | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	294,728	299,041
Originated Loans | Residential mortgage | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	3,960	4,961
Originated Loans | Residential mortgage | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	75	75
Originated Loans | Residential mortgage | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Originated Loans | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	71,179	74,977
Originated Loans | Home equity lines of credit | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	70,387	74,094
Originated Loans | Home equity lines of credit | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	792	883
Originated Loans | Home equity lines of credit | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Originated Loans | Home equity lines of credit | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Originated Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	10,646	9,708
Originated Loans | Consumer | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	10,646	9,708
Originated Loans | Consumer | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Originated Loans | Consumer | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Originated Loans | Consumer | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Acquired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	308,928	323,393
Acquired Loans | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	286,691	300,759
Acquired Loans | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	17,423	19,474
Acquired Loans | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	4,814	3,160
Acquired Loans | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Acquired Loans | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	31,787	32,054
Acquired Loans | Commercial and industrial | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	29,943	29,728
Acquired Loans | Commercial and industrial | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	1,476	1,555
Acquired Loans | Commercial and industrial | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	368	771
Acquired Loans | Commercial and industrial | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Acquired Loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	210,000	220,157
Acquired Loans | Commercial real estate | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	197,397	207,937
Acquired Loans | Commercial real estate | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	9,557	11,596
Acquired Loans | Commercial real estate | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	3,046	624
Acquired Loans | Commercial real estate | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Acquired Loans | Commercial real estate construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	6,178	7,339
Acquired Loans | Commercial real estate construction | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	4,018	5,228
Acquired Loans | Commercial real estate construction | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	2,160	2,111
Acquired Loans | Commercial real estate construction | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Acquired Loans | Commercial real estate construction | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Acquired Loans | Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	42,767	45,048
Acquired Loans | Residential mortgage | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	37,722	39,378
Acquired Loans | Residential mortgage | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	4,193	4,175
Acquired Loans | Residential mortgage | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	852	1,495
Acquired Loans | Residential mortgage | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Acquired Loans | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	17,177	17,785
Acquired Loans | Home equity lines of credit | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	16,592	17,491
Acquired Loans | Home equity lines of credit | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	37	37
Acquired Loans | Home equity lines of credit | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	548	257
Acquired Loans | Home equity lines of credit | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Acquired Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	1,019	1,010
Acquired Loans | Consumer | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	1,019	997
Acquired Loans | Consumer | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	0
Acquired Loans | Consumer | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0	13
Acquired Loans | Consumer | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	$ 0	$ 0

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