Income Taxes (Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Document Period End Date	Mar. 31, 2017
Unrecognized tax benefit netted against a deferred tax asset for a net operating loss carryforward	$ (341)		$ (341)
Unrecognized tax benefits, period increase (decrease)	518	$ 50
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Additions for tax positions related to current year	518	$ 50
Ending Balance	$ 3,783