Loans and Allowance for Loan Losses - Schedule of Recorded Investment in Nonaccrual Loans and Loans Past Due 90 or More Days and Still Accruing Interest by Portfolio Segment (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual	$ 2,806	$ 3,000
Loans >90 Days Past Due & Still Accruing	0	200
Total	2,806	3,200
SBA loans—real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual	810	812
Loans >90 Days Past Due & Still Accruing	0	0
Total	810	812
SBA loans—non-real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual	691	837
Loans >90 Days Past Due & Still Accruing	0	200
Total	691	1,037
Commercial and industrial ("C&I")
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual	305	313
Loans >90 Days Past Due & Still Accruing	0	0
Total	305	313
Home mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual	1,000	1,038
Loans >90 Days Past Due & Still Accruing	0	0
Total	$ 1,000	$ 1,038