Condensed Consolidated Statements Of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Condensed Consolidated Statements Of Comprehensive Income (Loss) [Abstract]
Net income (loss)	$ 6,338	$ (4,022)	$ 14,202	$ 4,940
Other comprehensive income (loss), net of income tax
Foreign currency translation	(787)	(13)	(590)	43
Total other comprehensive income (loss)	(787)	(13)	(590)	43
Total comprehensive income (loss)	$ 5,551	$ (4,035)	$ 13,612	$ 4,983