Loans and Allowance for Loan Losses - Schedule of Aging Analysis of Recorded Investment in Past Due Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	$ 1,428,410	$ 1,314,019
Accrued interest receivable	4,500	4,400
Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	730,841	701,450
SBA loans—real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	217,169	220,099
SBA loans—non-real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	35,895	55,759
Commercial and industrial ("C&I")
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	176,934	162,543
Home mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	266,465	173,303
Consumer
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	1,106	865
Total Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	1,797	2,605
Total Past Due | Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0	0
Total Past Due | SBA loans—real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	484	419
Total Past Due | SBA loans—non-real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	313	1,293
Total Past Due | Commercial and industrial ("C&I")
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0	0
Total Past Due | Home mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	1,000	893
Total Past Due | Consumer
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0	0
30-59 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	1,201	76
30-59 Days Past Due | Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0	0
30-59 Days Past Due | SBA loans—real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	78	0
30-59 Days Past Due | SBA loans—non-real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	123	76
30-59 Days Past Due | Commercial and industrial ("C&I")
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0	0
30-59 Days Past Due | Home mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	1,000	0
30-59 Days Past Due | Consumer
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0	0
60-89 Days Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0	336
60-89 Days Past Due | Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0	0
60-89 Days Past Due | SBA loans—real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0	0
60-89 Days Past Due | SBA loans—non-real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0	336
60-89 Days Past Due | Commercial and industrial ("C&I")
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0	0
60-89 Days Past Due | Home mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0	0
60-89 Days Past Due | Consumer
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0	0
90 or More Days Pass Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	596	2,193
90 or More Days Pass Due | Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0	0
90 or More Days Pass Due | SBA loans—real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	406	419
90 or More Days Pass Due | SBA loans—non-real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	190	881
90 or More Days Pass Due | Commercial and industrial ("C&I")
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0	0
90 or More Days Pass Due | Home mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0	893
90 or More Days Pass Due | Consumer
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	0	0
Loans Not Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	1,426,613	1,311,414
Loans Not Past Due | Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	730,841	701,450
Loans Not Past Due | SBA loans—real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	216,685	219,680
Loans Not Past Due | SBA loans—non-real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	35,582	54,466
Loans Not Past Due | Commercial and industrial ("C&I")
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	176,934	162,543
Loans Not Past Due | Home mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	265,465	172,410
Loans Not Past Due | Consumer
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	$ 1,106	$ 865