CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Net loss	$ (24,370)us-gaap_NetIncomeLoss	$ (13,810)us-gaap_NetIncomeLoss
Other comprehensive income (loss):
Net unrealized gains (losses) on investments available-for-sale	43	(1)
Reclassification adjustment for gains included in net loss	0	(615)
Foreign currency translation adjustment	(3,194)	(133)
Other comprehensive loss	(3,151)	(749)
Comprehensive loss	$ (27,521)us-gaap_ComprehensiveIncomeNetOfTax	$ (14,559)us-gaap_ComprehensiveIncomeNetOfTax

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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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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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, attributable to parent entity.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.

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