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Revenue from Contracts with Customers - Additional Information (Detail) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Revenue From Contract With Customer [Abstract]    
Contract assets $ 478,500 $ 529,800
Contract assets, current 288,896 328,012
Contract liabilities 134,800 115,000
Contract liabilities, current 128,415 $ 108,671
Recognized revenue included in contract liability $ 74,800