XML 43 R32.htm IDEA: XBRL DOCUMENT v3.10.0.1
Revenue - Receivables and Concentration of Credit Risk (Detail) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable, Net, Current [Abstract]    
Billed Receivables $ 172,395 $ 240,137
Allowance for doubtful accounts (3,598) (4,799)
Billed Receivables, net 168,797 235,338
Accrued receivables 324,019 27,507
Significant financing component (31,343)  
Total accrued receivables, net 292,676 27,507
Less current accrued receivables 120,532 27,507
Less current significant financing component (9,688)  
Total long-term accrued receivables, net 181,832  
Total receivables, net $ 461,473 $ 262,845