Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Recent Accounting Pronouncements, Additional Information (Details)

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Summary of Significant Accounting Policies - Recent Accounting Pronouncements, Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jun. 30, 2016
Mar. 31, 2016
Sep. 30, 2016
Jan. 01, 2016
Dec. 31, 2015
New Accounting Pronouncement, Early Adoption [Line Items]          
Recognition of excess tax benefits in provision for income taxes $ 1,950 $ 1,101      
Decrease to accumulated deficit         $ 293,896
Reserve for uncertain tax position     $ 49,257   49,095
Accumulated Deficit          
New Accounting Pronouncement, Early Adoption [Line Items]          
Decrease to accumulated deficit         $ 293,896
Early Adoption, Effect | Accounting Standards Update 2016-09          
New Accounting Pronouncement, Early Adoption [Line Items]          
Increase in deferred tax assets       $ 293,896  
Reserve for uncertain tax position       1,946  
Early Adoption, Effect | Accounting Standards Update 2016-09 | Accumulated Deficit          
New Accounting Pronouncement, Early Adoption [Line Items]          
Decrease to accumulated deficit       $ 293,896