Income Taxes (Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Document Period End Date			Jun. 30, 2016
Unrecognized tax benefit netted against a deferred tax asset for a net operating loss carryforward	$ (341)		$ (341)		$ (341)
Unrecognized tax benefits, period increase (decrease)			50	$ 108
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning Balance			3,115
Additions for tax positions related to current year	0	$ 21	50	$ 87
Ending Balance	$ 3,165		$ 3,165