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