Income Taxes (Unrecognized Tax Benefits Roll Forward) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning Balance	$ 621	$ 53
Additional based on tax positions related to the current year	0	0
Additions for tax positions of prior years	84	568
Reductions for tax positions of prior years	0	0
Settlements	0	0
Ending Balance	$ 705	$ 621