Loans and Allowance for Loan Losses - Schedule of Credit Risk Ratings by Portfolio Segment (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Financing Receivable Recorded Investment [Line Items]
Loans	$ 1,235,945	$ 1,104,108
Pass
Financing Receivable Recorded Investment [Line Items]
Loans	1,233,744	1,096,248
Special Mention
Financing Receivable Recorded Investment [Line Items]
Loans	0	535
Substandard
Financing Receivable Recorded Investment [Line Items]
Loans	2,170	7,325
Doubtful
Financing Receivable Recorded Investment [Line Items]
Loans	31	0
Commercial Real Estate
Financing Receivable Recorded Investment [Line Items]
Loans	690,391	654,235
Commercial Real Estate | Pass
Financing Receivable Recorded Investment [Line Items]
Loans	690,391	654,235
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	219,502	136,873
SBA Loans Real Estate | Pass
Financing Receivable Recorded Investment [Line Items]
Loans	217,999	134,815
SBA Loans Real Estate | Special Mention
Financing Receivable Recorded Investment [Line Items]
Loans	0	535
SBA Loans Real Estate | Substandard
Financing Receivable Recorded Investment [Line Items]
Loans	1,503	1,523
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	85,644	75,651
SBA Loans Non- Real Estate | Pass
Financing Receivable Recorded Investment [Line Items]
Loans	85,266	75,453
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	347	198
SBA Loans Non- Real Estate | Doubtful
Financing Receivable Recorded Investment [Line Items]
Loans	31	0
Commercial and Industrial
Financing Receivable Recorded Investment [Line Items]
Loans	123,704	107,505
Commercial and Industrial | Pass
Financing Receivable Recorded Investment [Line Items]
Loans	123,384	102,500
Commercial and Industrial | Special Mention
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Commercial and Industrial | Substandard
Financing Receivable Recorded Investment [Line Items]
Loans	320	5,005
Commercial and Industrial | Doubtful
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Home Mortgage
Financing Receivable Recorded Investment [Line Items]
Loans	115,653	128,683
Home Mortgage | Pass
Financing Receivable Recorded Investment [Line Items]
Loans	115,653	128,084
Home Mortgage | Special Mention
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Home Mortgage | Substandard
Financing Receivable Recorded Investment [Line Items]
Loans	0	599
Home Mortgage | Doubtful
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Consumer
Financing Receivable Recorded Investment [Line Items]
Loans	1,051	1,161
Consumer | Pass
Financing Receivable Recorded Investment [Line Items]
Loans	1,051	1,161
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