Off Balance Sheet Risk (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Off Balance Sheet Risk
Contract amounts representing credit risk	$ 208,743	$ 204,242
Commitments to extend credit
Off Balance Sheet Risk
Contract amounts representing credit risk	191,676	187,778
Standby letters of credit
Off Balance Sheet Risk
Contract amounts representing credit risk	$ 9,976	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	$ 7,091	$ 6,826