Off Balance Sheet Risk (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Off Balance Sheet Risk
Contract amounts representing credit risk	$ 208,237	$ 204,242
Commitments to extend credit
Off Balance Sheet Risk
Contract amounts representing credit risk	189,556	187,778
Standby letters of credit
Off Balance Sheet Risk
Contract amounts representing credit risk	$ 10,186	9,638
Coverage period for instrument (in years)	1 year
Credit exposure from the sale of assets with recourse
Off Balance Sheet Risk
Contract amounts representing credit risk	$ 8,495	$ 6,826