Loans and Allowance for Loan Losses - Schedule of Activity in Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Analysis of allowance for loan losses
Beginning balance	$ 16,123	$ 15,352	$ 10,050
(Reversal of) provision for loan losses	3,181	959	5,318
Charge-offs	(141)	(195)	(45)
Recoveries	78	7	29
Ending balance	19,241	16,123	15,352
Provision for loan losses	2,976	522	5,961
Uncollectible Accrued Interest Receivable
Analysis of allowance for loan losses
Provision for loan losses	(205)	(438)	643
Commercial real estate
Analysis of allowance for loan losses
Beginning balance	8,150	8,505	6,000
(Reversal of) provision for loan losses	(1,199)	(355)	2,505
Charge-offs	0	0	0
Recoveries	0	0	0
Ending balance	6,951	8,150	8,505
SBA loans—real estate
Analysis of allowance for loan losses
Beginning balance	2,022	1,802	939
(Reversal of) provision for loan losses	(409)	279	863
Charge-offs	(14)	(59)	0
Recoveries	8	0	0
Ending balance	1,607	2,022	1,802
SBA loans—non-real estate
Analysis of allowance for loan losses
Beginning balance	199	278	121
(Reversal of) provision for loan losses	66	54	174
Charge-offs	(127)	(136)	(45)
Recoveries	69	3	28
Ending balance	207	199	278
Commercial and industrial ("C&I")
Analysis of allowance for loan losses
Beginning balance	2,848	2,563	1,289
(Reversal of) provision for loan losses	(1,205)	285	1,274
Charge-offs	0	0	0
Recoveries	0	0	0
Ending balance	1,643	2,848	2,563
Home mortgage
Analysis of allowance for loan losses
Beginning balance	2,891	2,185	1,667
(Reversal of) provision for loan losses	5,935	706	518
Charge-offs	0	0	0
Recoveries	0	0	0
Ending balance	8,826	2,891	2,185
Consumer
Analysis of allowance for loan losses
Beginning balance	13	19	34
(Reversal of) provision for loan losses	(7)	(10)	(16)
Charge-offs	0	0	0
Recoveries	1	4	1
Ending balance	$ 7	$ 13	$ 19