Other Real Estate Owned ("OREO") (Foreclosed Real Estate Expenses) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Other Real Estate Owned ("OREO") [Abstract]
Valuation allowance	$ 142	$ 263	$ 425	$ 576	$ 600
Losses (gain) on dispositions			8	(36)
Operating expenses	23	20	83	47
Expenses applicable to OREO assets	$ 165	$ 283	$ 516	$ 587

The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.14(d))
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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