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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Accounting Policies [Abstract] |  |  |  |
Foreign exchange gain (loss) recognized | $ (700,000) | $ 0 | $ (1,500,000) | $ (2,600,000)
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |
Total other comprehensive loss | $ 52,409,000 | 163,030,000 | $ 41,339,000 | 263,968,000
As Previously Reported | Translation of Acquired Intangibles |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |
Total other comprehensive loss |  | $ 89,500,000 |  | $ 175,700,000

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