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Loans and Allowance for Loan Losses - Schedule of Aging Analysis of Recorded Investment in Past Due Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	$ 1,314,019	$ 1,099,736
Accrued interest receivable	4,400	4,400
Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	701,450	651,684
SBA loans—real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	220,099	136,224
SBA loans—non-real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	55,759	75,151
Commercial and industrial ("C&I")
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	162,543	107,307
Home mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	173,303	128,212
Consumer
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	865	1,158
Total Past Due
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	2,605	599
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	419	0
Total Past Due | SBA loans—non-real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	1,293	0
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	893	599
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	76	0
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	0	0
30-59 Days Past Due | SBA loans—non-real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	76	0
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	0	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	336	0
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	336	0
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	2,193	599
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	419	0
90 or More Days Pass Due | SBA loans—non-real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	881	0
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	893	599
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	1,311,414	1,099,137
Loans Not Past Due | Commercial real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	701,450	651,684
Loans Not Past Due | SBA loans—real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	219,680	136,224
Loans Not Past Due | SBA loans—non-real estate
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	54,466	75,151
Loans Not Past Due | Commercial and industrial ("C&I")
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	162,543	107,307
Loans Not Past Due | Home mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	172,410	127,613
Loans Not Past Due | Consumer
Financing Receivable Recorded Investment Past Due [Line Items]
Gross loans receivable	$ 865	$ 1,158

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