Annual report pursuant to Section 13 and 15(d)

Concentration of Credit Risks - Additional Information (Detail)

v3.3.1.900
Concentration of Credit Risks - Additional Information (Detail) - Customer
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Concentration Risk [Line Items]      
Sales percentage by customer percentage maximum (no more than) 5.00% 5.00% 5.00%
Total Revenues      
Concentration Risk [Line Items]      
Major customer, accounted percentage 44.30% 40.70% 39.70%
Successor      
Concentration Risk [Line Items]      
Number of major customers 3    
Purchase major vendor percentage 6.30% 5.00%  
Trade payable major vendor percentage 4.00% 1.10%  
Successor | Accounts Receivable      
Concentration Risk [Line Items]      
Major customer, accounted percentage 37.10%    
Successor | Total Revenues      
Concentration Risk [Line Items]      
Major customer, accounted percentage 44.30%    
Predecessor      
Concentration Risk [Line Items]      
Number of major customers   3 3
Purchase major vendor percentage     5.00%
Trade payable major vendor percentage     2.00%
Predecessor | Accounts Receivable      
Concentration Risk [Line Items]      
Major customer, accounted percentage   42.20% 44.20%
Predecessor | Total Revenues      
Concentration Risk [Line Items]      
Major customer, accounted percentage   40.70% 39.70%
Customer Concentration Risk | Total Revenues | United States, Excluding All Points      
Concentration Risk [Line Items]      
Number of separate customers 2 2 2
Customer Concentration Risk | Total Revenues | Canada      
Concentration Risk [Line Items]      
Number of separate customers 2 2 2
Customer Concentration Risk | Total Revenues | Mexico      
Concentration Risk [Line Items]      
Number of separate customers 2 2 2
Customer Concentration Risk | Total Revenues | Minimum      
Concentration Risk [Line Items]      
Major customer, accounted percentage 10.00% 10.00% 10.00%