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	Sep. 30, 2021	Dec. 31, 2020
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual	$ 1,052	$ 985
Loans 90 or More Days Past Due & Still Accruing	0	0
Total	1,052	985
SBA Loans Real Estate
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual	544
Loans 90 or More Days Past Due & Still Accruing	0
Total	544
SBA Loans Non- Real Estate
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual	188	56
Loans 90 or More Days Past Due & Still Accruing	0	0
Total	188	56
Commercial and Industrial
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual	320	330
Loans 90 or More Days Past Due & Still Accruing	0	0
Total	$ 320	330
Home Mortgage
Financing Receivable Recorded Investment Past Due [Line Items]
Nonaccrual		599
Loans 90 or More Days Past Due & Still Accruing		0
Total		$ 599