Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Accumulated Other Comprehensive Loss [Roll Forward]
Balance as of December 31, 2014			$ 2,528
Other comprehensive income before reclassifications			859
Amounts reclassified from accumulated other comprehensive income			0
Other comprehensive (loss) income	$ (1,096)	$ 4,468	859	$ 5,253
Balance as of September 30, 2015	3,387		3,387
Foreign currency translation adjustment [Member]
Accumulated Other Comprehensive Loss [Roll Forward]
Balance as of December 31, 2014			2,528
Other comprehensive income before reclassifications			859
Amounts reclassified from accumulated other comprehensive income			0
Other comprehensive (loss) income			859
Balance as of September 30, 2015	$ 3,387		$ 3,387