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Loans Receivables and Allowance for Credit Losses - Schedule of Individually Evaluated for Impairment (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	$ 7,305	$ 15,925	$ 10,310	$ 9,905
Business Activities Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	463	4,205
Allowance for credit losses, collectively evaluated for impairment	6,842	11,720
Allowance for credit loss	7,305	15,925
Individually evaluated for impairment	25,015	17,133
Collectively evaluated for impairment, amount	682,457	831,726
Loans receivable, gross	707,472	848,859
Commercial Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	2,241	6,089	6,966	5,063
Commercial Real Estate \| Business Activities Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	403	3,813
Allowance for credit losses, collectively evaluated for impairment	1,838	2,276
Allowance for credit loss	2,241	6,089
Individually evaluated for impairment	19,335	12,775
Collectively evaluated for impairment, amount	400,154	459,318
Loans receivable, gross	419,489	472,093
Residential Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	596	607	665	1,700
Residential Real Estate \| Business Activities Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0	0
Allowance for credit losses, collectively evaluated for impairment	596	607
Allowance for credit loss	596	607
Individually evaluated for impairment	0	0
Collectively evaluated for impairment, amount	92,215	106,783
Loans receivable, gross	92,215	106,783
Commercial and Industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	1,077	1,269	1,403	2,532
Commercial and Industrial \| Business Activities Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	60	392
Allowance for credit losses, collectively evaluated for impairment	1,017	877
Allowance for credit loss	1,077	1,269
Individually evaluated for impairment	3,323	3,904
Collectively evaluated for impairment, amount	126,285	159,661
Loans receivable, gross	129,608	163,565
Consumer and Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	3,386	7,843	1,207	253
Consumer and Other \| Business Activities Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0	0
Allowance for credit losses, collectively evaluated for impairment	3,386	7,843
Allowance for credit loss	3,386	7,843
Individually evaluated for impairment	0	0
Collectively evaluated for impairment, amount	59,973	99,688
Loans receivable, gross	59,973	99,688
Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	5	4	24	78
Construction \| Business Activities Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0	0
Allowance for credit losses, collectively evaluated for impairment	5	4
Allowance for credit loss	5	4
Individually evaluated for impairment	0	454
Collectively evaluated for impairment, amount	3,830	3,812
Loans receivable, gross	3,830	4,266
Construction to Permanent - CRE
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	0	113	10	41
Construction to Permanent - CRE \| Business Activities Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0	0
Allowance for credit losses, collectively evaluated for impairment	0	113
Allowance for credit loss	0	113
Individually evaluated for impairment	2,357	0
Collectively evaluated for impairment, amount	0	2,464
Loans receivable, gross	2,357	2,464
Unallocated
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for credit loss	$ 0	$ 0	$ 35	$ 238