XML 42 R27.htm IDEA: XBRL DOCUMENT v3.10.0.1
Accounts Receivable, net (Tables)
9 Months Ended
Sep. 30, 2018
Receivables [Abstract]  
Schedule of Accounts Receivable
Accounts receivable at September 30, 2018 and December 31, 2017 were as follows (in thousands):
 
September 30,
 
December 31,
 
2018
 
2017
Trade accounts receivable, net of allowance of $3,915 and $4,777, respectively
$
98,997

 
$
83,482

Unbilled revenue
49,700

 
25,670

Taxes receivable
9,423

 
11,305

Affiliated (1)
549

 
716

Other receivables
4,351

 
6,037

Total accounts receivable, net
$
163,020

 
$
127,210

 
 
 

(1) 
Amounts represent expenditures on behalf of non-consolidated affiliates.