XML 52 R37.htm IDEA: XBRL DOCUMENT v3.20.1
Supplemental Financial Information - Accounts Receivable, Net of Allowance for Credit Losses (Detail) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Receivables [Abstract]    
Trade receivables $ 218,666 $ 199,572
Federal income tax receivables 38,574 38,574
Value added tax receivables 16,111 17,716
Related party receivables 80 166
Other 492 287
Receivables Gross Current, Total 273,923 256,315
Allowance for credit losses (5,760) (5,459)
Accounts receivable, net $ 268,163 $ 250,856