Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Changes in accumulated other comprehensive income, net of tax
Balance at the beginning of period			$ 1,276
Other comprehensive (loss) and pension reclassifications	$ (1,654)	$ (2,944)	(2,297)	$ (2,850)
Balance at the end of period	(1,021)		(1,021)
Foreign currency
Changes in accumulated other comprehensive income, net of tax
Balance at the beginning of period			1,920
Other comprehensive (loss) and pension reclassifications			(2,353)
Balance at the end of period	(433)		(433)
Defined benefit pension plan
Changes in accumulated other comprehensive income, net of tax
Balance at the beginning of period			(644)
Other comprehensive (loss) and pension reclassifications			56
Balance at the end of period	$ (588)		$ (588)