Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Jun. 30, 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		164			164
Balance at June 30, 2019	$	(4,990	)	$	(4,990	)

							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		—			(1,691	)		(1,691	)
Unrealized loss on investments, net of tax of $(17)		(53	)		—			(53	)
Balance at June 30, 2018	$	(194	)	$	(3,588	)	$	(3,782	)

				Total
	Cumulative			Accumulated
	Translation			Other Comprehensive
	Adjustment			Loss
Balance at April 1, 2019	$	(5,584	)	$	(5,584	)
Foreign currency translation		594			594
Balance at June 30, 2019	$	(4,990	)	$	(4,990	)

							Total
	Net Unrealized			Cumulative			Accumulated
	Loss on Marketable			Translation			Other Comprehensive
	Investments			Adjustment			Loss
Balance at April 1, 2018	$	(256	)	$	(194	)	$	(450	)
Foreign currency translation		—			(3,394	)		(3,394	)
Unrealized gain on investments, net of tax of $21		62			—			62
Balance at June 30, 2018	$	(194	)	$	(3,588	)	$	(3,782	)