Allowance for Loan Losses - Schedule of Recorded Investment in Nonaccrual and Loans Past Due over 89 Days Still on Accrual by Loan Segment (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	$ 3,629	$ 2,754
Loans Past Due Over 89 Days Still Accruing	127	573
Real Estate- Residential
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	0	0
Loans Past Due Over 89 Days Still Accruing	127	573
Real Estate- Commercial
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	2,839	1,806
Loans Past Due Over 89 Days Still Accruing	0	0
Commercial and industrial
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	790	948
Loans Past Due Over 89 Days Still Accruing	$ 0	$ 0