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Organization and Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
1 Months Ended 11 Months Ended 12 Months Ended
Dec. 31, 2016
Dec. 15, 2016
Dec. 31, 2018
Dec. 31, 2017
Significant Accounting Policies [Line Items]        
Depreciation expense $ 3,600,000 $ 129,500,000 $ 82,600,000 $ 84,500,000
Deposits     $ 1,309,000 $ 1,246,000
Salvage value as a percentage of operational asset's acquisition cost     10.00%  
Customer Concentration Risk | Sales Revenue, Net [Member] | Chevron Texaco Exploration and Production [Member]        
Significant Accounting Policies [Line Items]        
Concentration of risk percentage   14.00%   12.00%
Customer Concentration Risk | Sales Revenue, Net [Member] | OXY USA Inc. [Member]        
Significant Accounting Policies [Line Items]        
Concentration of risk percentage   13.00%    
Maximum        
Significant Accounting Policies [Line Items]        
Cash in bank deposit and brokerage accounts guaranteed by FDIC     $ 250,000  
Capitalized internal-use software, useful life     7 years  
Minimum        
Significant Accounting Policies [Line Items]        
Accounts reviewed for collectability, days past due from invoice date     150 days  
Capitalized internal-use software, useful life     5 years