Loans - Summary of ACL by Category (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Allowance for credit losses on loans:
Beginning balance	$ 12,041,000
Ending balance	13,539,000	$ 12,041,000
Loans Excluding Unfunded Commitments
Allowance for credit losses on loans:
Beginning balance	12,041,000	11,944,000
Provision for (release of) credit losses	1,485,000	70,000
Recoveries	13,000	27,000
Ending balance	13,539,000	12,041,000
Unfunded Loan Commitment
Allowance for credit losses on loans:
Release of credit losses for unfunded commitments	(135,000)	(200,000)
C&I | Loans Excluding Unfunded Commitments
Allowance for credit losses on loans:
Beginning balance	5,034,000	4,635,000
Provision for (release of) credit losses	931,000	387,000
Recoveries	13,000	12,000
Ending balance	5,978,000	5,034,000
CRE | Loans Excluding Unfunded Commitments
Allowance for credit losses on loans:
Beginning balance	1,031,000	1,175,000
Provision for (release of) credit losses	(91,000)	(144,000)
Recoveries	0	0
Ending balance	940,000	1,031,000
Faith-based CRE | Loans Excluding Unfunded Commitments
Allowance for credit losses on loans:
Beginning balance	5,684,000	5,717,000
Provision for (release of) credit losses	753,000	(48,000)
Recoveries	0	15,000
Ending balance	6,437,000	5,684,000
Construction | Loans Excluding Unfunded Commitments
Allowance for credit losses on loans:
Beginning balance	292,000	417,000
Provision for (release of) credit losses	(108,000)	(125,000)
Recoveries	0	0
Ending balance	$ 184,000	$ 292,000