Loans by Type - Summary of Loan Categories (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Participating Mortgage Loans [Line Items]
Total loans	$ 872,905	$ 872,905	$ 891,676
Commercial and industrial
Participating Mortgage Loans [Line Items]
Total loans	356,532	356,532	298,984
Real Estate, Commercial, Mortgage
Participating Mortgage Loans [Line Items]
Total loans	103,596	103,596	100,419
Real Estate, Commercial, Construction
Participating Mortgage Loans [Line Items]
Total loans	24,705	24,705	25,090
Real Estate, Faith-Based, Mortgage
Participating Mortgage Loans [Line Items]
Total loans	358,493	358,493	333,661
Real Estate, Faith-based, Construction
Participating Mortgage Loans [Line Items]
Total loans	13,272	13,272	23,818
Paycheck Protection Program (“PPP”)
Participating Mortgage Loans [Line Items]
Total loans	$ 16,307	$ 16,307	$ 109,704