v3.20.2
Property and Equipment (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Property, Plant and Equipment [Line Items]          
Property and equipment, gross $ 1,079,828   $ 1,079,828   $ 925,451
Less: Accumulated depreciation (532,575)   (532,575)   (457,366)
Property and equipment, net 547,253   547,253   468,085
Depreciation 51,000 $ 40,000 102,000 $ 77,000  
Computer equipment          
Property, Plant and Equipment [Line Items]          
Property and equipment, gross 815,739   815,739   680,160
Computer software          
Property, Plant and Equipment [Line Items]          
Property and equipment, gross 66,094   66,094   59,511
Leasehold and other improvements          
Property, Plant and Equipment [Line Items]          
Property and equipment, gross 133,313   133,313   125,299
Furniture and fixtures          
Property, Plant and Equipment [Line Items]          
Property and equipment, gross 54,916   54,916   53,651
Construction in progress          
Property, Plant and Equipment [Line Items]          
Property and equipment, gross $ 9,766   $ 9,766   $ 6,830