Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Statement of Comprehensive Income [Abstract]
Net loss	$ (19,215)	$ (5,013)
Other comprehensive income (loss), net of tax:
Unrealized gain on available-for-sale investments	17	9
Foreign currency translation adjustments	610	240
Unrealized gain (loss) on cash flow hedges	(559)	588
Reclassification adjustments on cash flow hedges included in net loss	0	(975)
Other comprehensive income (loss)	68	(138)
Comprehensive loss	$ (19,147)	$ (5,151)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

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