Other Real Estate Owned (Summary of Other Real Estate Owned) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Other Real Estate Owned [Line Items]
Balance, beginning of period	$ 13,298	$ 5,998
Transfers in	406	0
Valuation adjustments	(92)	(193)
Proceeds from Sale of OREO Property	2,062	1,275
Loss on sale of OREO, net	(43)	(11)
Total OREO, end of period	11,507	$ 4,519
Mortgage Loans in Process of Foreclosure, Amount	638
One-to-Four Family Residential [Member]
Other Real Estate Owned [Line Items]
Total OREO, end of period	$ 433