Troubled Debt Restructurings (Schedule of Troubled Debt Restructurings on Financing Receivables) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($) contract	Dec. 31, 2017 USD ($) contract	Dec. 31, 2016 USD ($) contract
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts | contract	1	1	5
Pre-Modification Outstanding Recorded Investment	$ 86	$ 22	$ 1,296
Post-Modification Outstanding Recorded Investment	$ 86	$ 22	$ 1,199
Consumer Installment [Member]
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts | contract		1
Pre-Modification Outstanding Recorded Investment		$ 22
Post-Modification Outstanding Recorded Investment		$ 22
Commercial Real Estate Non-Owner Occupied [Member]
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts | contract			1
Pre-Modification Outstanding Recorded Investment			$ 736
Post-Modification Outstanding Recorded Investment			$ 736
Residential Single Family [Member]
Troubled Debt Restructuring, Subsequent Periods [Line Items]
Number of Contracts | contract	1		4
Pre-Modification Outstanding Recorded Investment	$ 86		$ 560
Post-Modification Outstanding Recorded Investment	$ 86		$ 463