Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details)

v3.5.0.2
Intangible Assets (Details) - USD ($)
$ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2016
Dec. 31, 2015
Schedule Of Intangible Assets [Line Items]    
Intangible assets subject to amortization, Gross Carrying Amount $ 124,028 $ 193,368
Intangible assets subject to amortization, Accumulated Amortization (32,287) (85,735)
Intangible assets subject to amortization, Net Carrying Amount 91,741 107,633
License (Indefinite-lived) 4,427 4,427
Customer relationships    
Schedule Of Intangible Assets [Line Items]    
Intangible assets subject to amortization, Gross Carrying Amount 120,000 120,000
Intangible assets subject to amortization, Accumulated Amortization (31,326) (15,527)
Intangible assets subject to amortization, Net Carrying Amount $ 88,674 $ 104,473
Weighted- Average Amortization Period (Years) 6 years 6 years
Backlog    
Schedule Of Intangible Assets [Line Items]    
Intangible assets subject to amortization, Gross Carrying Amount   $ 70,000
Intangible assets subject to amortization, Accumulated Amortization   (70,000)
Intangible assets subject to amortization, Net Carrying Amount  
Weighted- Average Amortization Period (Years)   1 year
Licenses    
Schedule Of Intangible Assets [Line Items]    
Intangible assets subject to amortization, Gross Carrying Amount $ 3,368 $ 3,368
Intangible assets subject to amortization, Accumulated Amortization (631) (208)
Intangible assets subject to amortization, Net Carrying Amount $ 2,737 $ 3,160
Weighted- Average Amortization Period (Years) 5 years 7 months 6 days 5 years 7 months 6 days
Noncompete Agreements    
Schedule Of Intangible Assets [Line Items]    
Intangible assets subject to amortization, Gross Carrying Amount $ 660  
Intangible assets subject to amortization, Accumulated Amortization (330)  
Intangible assets subject to amortization, Net Carrying Amount $ 330  
Weighted- Average Amortization Period (Years) 1 year