Annual report pursuant to Section 13 and 15(d)

Segments Narrative (Details)

v3.3.1.900
Segments Narrative (Details)
3 Months Ended 12 Months Ended
Dec. 31, 2015
USD ($)
Sep. 30, 2015
USD ($)
Jun. 30, 2015
USD ($)
Mar. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Sep. 30, 2014
USD ($)
Jun. 30, 2014
USD ($)
Mar. 31, 2014
USD ($)
Dec. 31, 2015
USD ($)
Segment
Customer
Dec. 31, 2014
USD ($)
Customer
Dec. 31, 2013
USD ($)
Customer
Segment Reporting Information [Line Items]                      
Number of reportable segments | Segment                 2    
Revenues $ 276,191,000 $ 143,034,000 $ 42,429,000 $ 30,084,000 $ 25,533,000 $ 19,773,000 $ 23,545,000 $ 22,274,000 $ 491,738,000 $ 91,125,000 $ 96,530,000
Customer Concentration Risk | Sales Revenue, Net                      
Segment Reporting Information [Line Items]                      
Percentage of revenue contributed by customer                 13.00% 13.00% 10.00%
Number of customer represented | Customer                   1 0
Customer Concentration Risk | Accounts Receivable                      
Segment Reporting Information [Line Items]                      
Percentage of revenue contributed by customer                   10.00% 10.00%
Number of customer represented | Customer                 1 0 0
Intersegment Elimination                      
Segment Reporting Information [Line Items]                      
Revenues                 $ 0    
Inter-segment allocation of interest expense                 $ 0