Income Taxes - Recognition Of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning balance	$ 2,822	$ 2,795
Change in current period positions	56	34
Change in prior period positions	4	(7)
Ending balance	$ 2,882	$ 2,822