Summary of Significant Accounting Policies (Recorded Investments in Troubled Debt Restructured Loans) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Pre-modification outstanding recorded investment	$ 942	$ 142
Post-modification outstanding recorded investment	1,073	144
Recorded Investment	914	142
Residential Mortgage [Member]
Pre-modification outstanding recorded investment	754
Post-modification outstanding recorded investment	883
Recorded Investment	726
Consumer: Home Equity [Member]
Pre-modification outstanding recorded investment	148	102
Post-modification outstanding recorded investment	148	102
Recorded Investment	148	102
Consumer: Other [Member]
Pre-modification outstanding recorded investment	40	40
Post-modification outstanding recorded investment	42	42
Recorded Investment	$ 40	$ 40