Loan Servicing (Schedule of Carrying Value of Servicing Assets and Fair Value of Servicing Rights) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Servicing Asset
Carrying amount, beginning of period	$ 369	$ 332
Additions - Servicing obligations that result from transfers of financial assets	82	88
Subtractions - Amortization	44	51
Carrying amount, end of period	407	369
Fair value, beginning of period	404	367
Fair value, end of period	$ 444	$ 404