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Loans and Allowance for Loan Losses - Schedule of Composition of Loan Portfolio (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Loans And Leases Receivable Disclosure [Line Items]
Gross loans receivable	$ 1,678,292	$ 1,314,019
Allowance for loan losses	(19,241)	(16,123)	$ (15,352)	$ (10,050)
Loans receivable, net	1,659,051	1,297,896
Deferred loan fees, unamortized premiums and unaccreted (discounts)	160	7,000
Real Estate \| Commercial real estate
Loans And Leases Receivable Disclosure [Line Items]
Gross loans receivable	842,208	701,450
Real Estate \| SBA loans—real estate
Loans And Leases Receivable Disclosure [Line Items]
Gross loans receivable	221,340	220,099
SBA loans—non-real estate
Loans And Leases Receivable Disclosure [Line Items]
Gross loans receivable	13,377	55,759
Allowance for loan losses	(207)	(199)	(278)	(121)
SBA loans—non-real estate \| PPP loans
Loans And Leases Receivable Disclosure [Line Items]
Loans receivable, net	442	40,600
Commercial and industrial ("C&I")
Loans And Leases Receivable Disclosure [Line Items]
Gross loans receivable	116,951	162,543
Allowance for loan losses	(1,643)	(2,848)	(2,563)	(1,289)
Home mortgage
Loans And Leases Receivable Disclosure [Line Items]
Gross loans receivable	482,949	173,303
Allowance for loan losses	(8,826)	(2,891)	(2,185)	(1,667)
Consumer
Loans And Leases Receivable Disclosure [Line Items]
Gross loans receivable	1,467	865
Allowance for loan losses	$ (7)	$ (13)	$ (19)	$ (34)