Shareholders' Equity (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Stockholders' Equity Note [Abstract]
Net income (loss)	$ (1,203)	$ 3,063
Dividends paid	(504)	(452)
Other comprehensive income, net of tax	$ 1,204	$ 482