Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

Jun. 30, 2018

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

The following table shows a summary of changes in accumulated other comprehensive income (loss) by component for the six months ended June 30, 2018 (in thousands):

	Foreign Currency Translation			Unrealized Gains (Losses) on Available-For-Sale Marketable Debt Securities			Total
Balance as of December 31, 2017	$	(93,319	)	$	(178	)	$	(93,497	)
Other comprehensive income (loss) before reclassifications		(6,721	)		107			(6,614	)
Amounts reclassified from accumulated other comprehensive    income (loss)		—			—			—
Net other comprehensive income (loss)		(6,721	)		107			(6,614	)
Balance as of June 30, 2018	$	(100,040	)	$	(71	)	$	(100,111	)