Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Commitments and Contingencies Disclosure [Line Items]
Standby letters of credit extension period	1 year
Unpaid principal balance of loans repurchased	$ 1,700	$ 1,200
Reserve for loans repurchases	170	140
Commitments to extend credit on standby letters of credit [Member] | Commitments to Extend Credit [Member]
Commitments and Contingencies Disclosure [Line Items]
Contract amount	$ 13,710	$ 7,706