Loans and Allowance for Credit Losses - Schedule of Allowance for Credit Losses and Recorded Investment in Financing Receivables (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Allowance for Loan Losses [Roll Forward]
Allowance for Loan Losses, Beginning balance	$ 19,485	$ 18,963	$ 17,861	$ 19,033
Charge-offs	(82)	(38)	(199)	(120)
Recoveries	18	18	44	30
Allowance for Loan Losses, Ending balance	19,148	18,943	19,148	18,943
Ending balance: individually evaluated for impairment	831	1,574	831	1,574	$ 820
Ending balance: collectively evaluated for impairment	18,317	17,369	18,317	17,369	17,041
Loans Receivable, Ending balance	1,573,817	1,509,792	1,573,817	1,509,792	1,538,610
Loans receivables: Ending balance: individually evaluated for impairment	2,890	7,895	2,890	7,895	6,115
Loans Receivable: Ending balance: collectively evaluated for impairment	1,570,927	1,501,897	1,570,927	1,501,897	1,532,495
Financing Receivable Excluding Unfunded Commitments
Allowance for Loan Losses [Roll Forward]
Provisions (credits)	(273)	0	(176)	0
Impact of CECL adoption
Allowance for Loan Losses [Roll Forward]
Allowance for Loan Losses, Beginning balance			1,618
Commercial and Industrial
Allowance for Loan Losses [Roll Forward]
Allowance for Loan Losses, Beginning balance	2,105	3,280	2,848	3,176
Charge-offs	0	(34)	(29)	(97)
Recoveries	9	5	10	15
Allowance for Loan Losses, Ending balance	1,941	3,116	1,941	3,116
Ending balance: individually evaluated for impairment	647	742	647	742	628
Ending balance: collectively evaluated for impairment	1,294	2,374	1,294	2,374	2,220
Loans Receivable, Ending balance	158,537	177,115	158,537	177,115	178,762
Loans receivables: Ending balance: individually evaluated for impairment	744	895	744	895	781
Loans Receivable: Ending balance: collectively evaluated for impairment	157,793	176,220	157,793	176,220	177,981
Commercial and Industrial \| Financing Receivable Excluding Unfunded Commitments
Allowance for Loan Losses [Roll Forward]
Provisions (credits)	(173)	(135)	(126)	22
Commercial and Industrial \| Impact of CECL adoption
Allowance for Loan Losses [Roll Forward]
Allowance for Loan Losses, Beginning balance			(762)
Commercial Real Estate
Allowance for Loan Losses [Roll Forward]
Allowance for Loan Losses, Beginning balance	11,032	10,625	10,016	10,716
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Allowance for Loan Losses, Ending balance	11,728	10,839	11,728	10,839
Ending balance: individually evaluated for impairment	184	832	184	832	192
Ending balance: collectively evaluated for impairment	11,544	10,007	11,544	10,007	9,824
Loans Receivable, Ending balance	873,787	818,117	873,787	818,117	821,805
Loans receivables: Ending balance: individually evaluated for impairment	1,601	7,000	1,601	7,000	5,334
Loans Receivable: Ending balance: collectively evaluated for impairment	872,186	811,117	872,186	811,117	816,471
Commercial Real Estate \| Financing Receivable Excluding Unfunded Commitments
Allowance for Loan Losses [Roll Forward]
Provisions (credits)	696	214	606	123
Commercial Real Estate \| Impact of CECL adoption
Allowance for Loan Losses [Roll Forward]
Allowance for Loan Losses, Beginning balance			1,106
Commercial Real Estate Construction
Allowance for Loan Losses [Roll Forward]
Allowance for Loan Losses, Beginning balance	2,465	666	1,000	616
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Allowance for Loan Losses, Ending balance	1,885	818	1,885	818
Ending balance: individually evaluated for impairment	0	0	0	0	0
Ending balance: collectively evaluated for impairment	1,885	818	1,885	818	1,000
Loans Receivable, Ending balance	73,951	69,120	73,951	69,120	80,470
Loans receivables: Ending balance: individually evaluated for impairment	0	0	0	0	0
Loans Receivable: Ending balance: collectively evaluated for impairment	73,951	69,120	73,951	69,120	80,470
Commercial Real Estate Construction \| Financing Receivable Excluding Unfunded Commitments
Allowance for Loan Losses [Roll Forward]
Provisions (credits)	(580)	152	(462)	202
Commercial Real Estate Construction \| Impact of CECL adoption
Allowance for Loan Losses [Roll Forward]
Allowance for Loan Losses, Beginning balance			1,347
Residential Mortgage
Allowance for Loan Losses [Roll Forward]
Allowance for Loan Losses, Beginning balance	3,366	3,082	3,029	3,235
Charge-offs	0	(3)	0	(3)
Recoveries	0	5	0	5
Allowance for Loan Losses, Ending balance	3,075	3,199	3,075	3,199
Ending balance: individually evaluated for impairment	0	0	0	0	0
Ending balance: collectively evaluated for impairment	3,075	3,199	3,075	3,199	3,029
Loans Receivable, Ending balance	372,819	348,475	372,819	348,475	362,098
Loans receivables: Ending balance: individually evaluated for impairment	343	0	343	0	0
Loans Receivable: Ending balance: collectively evaluated for impairment	372,476	348,475	372,476	348,475	362,098
Residential Mortgage \| Financing Receivable Excluding Unfunded Commitments
Allowance for Loan Losses [Roll Forward]
Provisions (credits)	(291)	115	(251)	(38)
Residential Mortgage \| Impact of CECL adoption
Allowance for Loan Losses [Roll Forward]
Allowance for Loan Losses, Beginning balance			297
Home Equity Lines of Credit
Allowance for Loan Losses [Roll Forward]
Allowance for Loan Losses, Beginning balance	379	426	347	501
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Allowance for Loan Losses, Ending balance	388	396	388	396
Ending balance: individually evaluated for impairment	0	0	0	0	0
Ending balance: collectively evaluated for impairment	388	396	388	396	347
Loans Receivable, Ending balance	85,019	83,589	85,019	83,589	84,141
Loans receivables: Ending balance: individually evaluated for impairment	202	0	202	0	0
Loans Receivable: Ending balance: collectively evaluated for impairment	84,817	83,589	84,817	83,589	84,141
Home Equity Lines of Credit \| Financing Receivable Excluding Unfunded Commitments
Allowance for Loan Losses [Roll Forward]
Provisions (credits)	9	(30)	24	(105)
Home Equity Lines of Credit \| Impact of CECL adoption
Allowance for Loan Losses [Roll Forward]
Allowance for Loan Losses, Beginning balance			17
Consumer
Allowance for Loan Losses [Roll Forward]
Allowance for Loan Losses, Beginning balance	138	385	376	408
Charge-offs	(82)	(1)	(170)	(20)
Recoveries	9	8	34	10
Allowance for Loan Losses, Ending balance	131	427	131	427
Ending balance: individually evaluated for impairment	0	0	0	0	0
Ending balance: collectively evaluated for impairment	131	427	131	427	376
Loans Receivable, Ending balance	9,704	13,376	9,704	13,376	11,334
Loans receivables: Ending balance: individually evaluated for impairment	0	0	0	0	0
Loans Receivable: Ending balance: collectively evaluated for impairment	9,704	13,376	9,704	13,376	11,334
Consumer \| Financing Receivable Excluding Unfunded Commitments
Allowance for Loan Losses [Roll Forward]
Provisions (credits)	66	35	33	29
Consumer \| Impact of CECL adoption
Allowance for Loan Losses [Roll Forward]
Allowance for Loan Losses, Beginning balance			(142)
Unallocated
Allowance for Loan Losses [Roll Forward]
Allowance for Loan Losses, Beginning balance	0	499	245	381
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Allowance for Loan Losses, Ending balance	0	148	0	148
Ending balance: individually evaluated for impairment	0	0	0	0	0
Ending balance: collectively evaluated for impairment	0	148	0	148	245
Loans Receivable, Ending balance	0	0	0	0	0
Loans receivables: Ending balance: individually evaluated for impairment	0	0	0	0	0
Loans Receivable: Ending balance: collectively evaluated for impairment	0	0	0	0	$ 0
Unallocated \| Financing Receivable Excluding Unfunded Commitments
Allowance for Loan Losses [Roll Forward]
Provisions (credits)	$ 0	$ (351)	0	$ (233)
Unallocated \| Impact of CECL adoption
Allowance for Loan Losses [Roll Forward]
Allowance for Loan Losses, Beginning balance			$ (245)

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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Amount of increase in allowance for credit loss on financing receivable from recovery.

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Amount of writeoff of financing receivable, charged against allowance for credit loss.

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The balance of financing receivables that were collectively evaluated for impairment.

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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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Amount of credit loss expense (reversal of expense) for financing receivable.

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