Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets - Gross carrying amounts included in goodwill and intangible assets related to accumulated amortization and weighted average amortization periods (Details)

v3.3.1.900
Goodwill and Intangible Assets - Gross carrying amounts included in goodwill and intangible assets related to accumulated amortization and weighted average amortization periods (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Schedule Of Intangible Assets [Line Items]    
Gross Carrying Amount $ 193,368 $ 190,000
Accumulated Amortization (85,735) (12,528)
Net Carrying Value 107,633 177,472
License (Indefinite-lived)    
Schedule Of Intangible Assets [Line Items]    
Indefinite-Lived Intangible Assets 4,427 4,427
Customer relationships    
Schedule Of Intangible Assets [Line Items]    
Gross Carrying Amount 120,000 120,000
Accumulated Amortization (15,527) (4,556)
Net Carrying Value $ 104,473 $ 115,444
Weighted - Average Amortization Period (Years) 6 years 6 years
Backlog    
Schedule Of Intangible Assets [Line Items]    
Gross Carrying Amount $ 70,000 $ 70,000
Accumulated Amortization $ (70,000) (7,972)
Net Carrying Value $ 62,028
Weighted - Average Amortization Period (Years) 1 year 1 year
License (Indefinite-lived)    
Schedule Of Intangible Assets [Line Items]    
Gross Carrying Amount $ 3,368  
Accumulated Amortization (208)  
Net Carrying Value $ 3,160  
Weighted - Average Amortization Period (Years) 5 years 7 months 6 days