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Other Current and Non-current Assets - Summary of Non-current Other Assets (Detail) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Other Assets [Abstract]    
ROU Asset $ 202,031  
Deferred tax assets 154,871 $ 149,938
Equity method investments 99,966 101,275
Non-marketable investments 102,430 53,470
Derivative assets 38,212 61,732
Other 2,395 3,452
Total $ 599,905 $ 369,867