Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 378,664
Other comprehensive (loss) income	(2,535)	$ 2,357
Ending balance	366,349	378,664
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Change in accounting standard - income taxes	(186)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	2,354
Ending balance	(181)	2,354
Cumulative unrealized foreign currency translation gains and (losses)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	3,863
Other comprehensive (loss) income	(6,948)
Ending balance	(3,085)	3,863
Unrealized (loss) gain on derivative, net of tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(1,509)
Other comprehensive (loss) income	4,413
Ending balance	$ 2,904	$ (1,509)