Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Mar. 31, 2019

Equity [Abstract]

Schedule of Components of Accumulated Other Comprehensive Loss

The components of accumulated other comprehensive loss are as follows (in thousands):

				Total
	Cumulative			Accumulated
	Translation			Other Comprehensive
	Adjustment			Loss
Balance at January 1, 2019	$	(5,154	)	$	(5,154	)
Foreign currency translation		(430	)		(430	)
Balance at March 31, 2019	$	(5,584	)	$	(5,584	)

							Total
	Net Unrealized			Cumulative			Accumulated
	Loss on Marketable			Translation			Other Comprehensive
	Investments			Adjustment			Loss
Balance at January 1, 2018	$	(115	)	$	(1,897	)	$	(2,012	)
Reclassification of stranded tax effects from    tax reform		(26	)		—			(26	)
Foreign currency translation		—			1,703			1,703
Unrealized loss on investments, net of tax of $(38)		(115	)		—			(115	)
Balance at March 31, 2018	$	(256	)	$	(194	)	$	(450	)