Loans and Allowance for Loan Losses - Schedule of Credit Risk Ratings by Portfolio Segment (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable Recorded Investment [Line Items]
Loans	$ 1,428,410	$ 1,314,019
Accrued interest receivable	4,500	4,400
Pass
Financing Receivable Recorded Investment [Line Items]
Loans	1,424,562	1,309,980
Special Mention
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Substandard
Financing Receivable Recorded Investment [Line Items]
Loans	3,825	4,008
Doubtful
Financing Receivable Recorded Investment [Line Items]
Loans	23	31
Commercial real estate
Financing Receivable Recorded Investment [Line Items]
Loans	730,841	701,450
Commercial real estate | Pass
Financing Receivable Recorded Investment [Line Items]
Loans	730,841	701,450
Commercial real estate | Special Mention
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Commercial real estate | Substandard
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Commercial real estate | Doubtful
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
SBA loans—real estate
Financing Receivable Recorded Investment [Line Items]
Loans	217,169	220,099
SBA loans—real estate | Pass
Financing Receivable Recorded Investment [Line Items]
Loans	215,489	218,408
SBA loans—real estate | Special Mention
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
SBA loans—real estate | Substandard
Financing Receivable Recorded Investment [Line Items]
Loans	1,680	1,691
SBA loans—real estate | Doubtful
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
SBA loans—non-real estate
Financing Receivable Recorded Investment [Line Items]
Loans	35,895	55,759
SBA loans—non-real estate | Pass
Financing Receivable Recorded Investment [Line Items]
Loans	35,032	54,762
SBA loans—non-real estate | Special Mention
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
SBA loans—non-real estate | Substandard
Financing Receivable Recorded Investment [Line Items]
Loans	840	966
SBA loans—non-real estate | Doubtful
Financing Receivable Recorded Investment [Line Items]
Loans	23	31
Commercial and industrial ("C&I")
Financing Receivable Recorded Investment [Line Items]
Loans	176,934	162,543
Commercial and industrial ("C&I") | Pass
Financing Receivable Recorded Investment [Line Items]
Loans	176,629	162,230
Commercial and industrial ("C&I") | Special Mention
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Commercial and industrial ("C&I") | Substandard
Financing Receivable Recorded Investment [Line Items]
Loans	305	313
Commercial and industrial ("C&I") | Doubtful
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Home mortgage
Financing Receivable Recorded Investment [Line Items]
Loans	266,465	173,303
Home mortgage | Pass
Financing Receivable Recorded Investment [Line Items]
Loans	265,465	172,265
Home mortgage | Special Mention
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Home mortgage | Substandard
Financing Receivable Recorded Investment [Line Items]
Loans	1,000	1,038
Home mortgage | Doubtful
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Consumer
Financing Receivable Recorded Investment [Line Items]
Loans	1,106	865
Consumer | Pass
Financing Receivable Recorded Investment [Line Items]
Loans	1,106	865
Consumer | Special Mention
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Consumer | Substandard
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Consumer | Doubtful
Financing Receivable Recorded Investment [Line Items]
Loans	$ 0	$ 0