Other Real Estate Owned (Summary of Other Real Estate Owned) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Other Real Estate Owned [Line Items]
Balance, beginning of period	$ 7,080	$ 4,058	$ 13,298	$ 5,998
Transfers in	794	74	1,200	74
Valuation adjustments	(495)	(138)	(697)	(364)
Proceeds from Sale of OREO Property	47	182	5,868	1,901
Loss on sale of OREO, net	(1)	(130)	(602)	(125)
Total OREO, end of period	7,331	$ 3,682	7,331	$ 3,682
Mortgage Loans in Process of Foreclosure, Amount	736		736
One-to-Four Family Residential [Member]
Other Real Estate Owned [Line Items]
Total OREO, end of period	$ 60		$ 60