Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

v3.5.0.2
Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Jun. 30, 2016
Dec. 31, 2015
New Accounting Pronouncement, Early Adoption [Line Items]      
Accumulated deficit   $ (4,586,856) $ (4,931,210)
Deferred tax assets   $ 910,510 $ 1,115,731
Early Adoption, Effect | Forecast      
New Accounting Pronouncement, Early Adoption [Line Items]      
Accumulated deficit $ 300,000    
Deferred tax assets $ 300,000