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Segment Information - Revenue From External Customers and Long-Lived Assets, by Geographical Areas (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue $ 107,985 $ 105,114 $ 120,946 $ 153,486 $ 202,976 $ 239,883 $ 254,304 $ 277,437 $ 487,531 $ 974,600 $ 1,152,632
Long-Lived Assets (PP&E) 567,024       624,959       567,024 624,959 580,142
United States                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue                 247,864 530,133 573,773
Long-Lived Assets (PP&E) 319,111       336,870       319,111 336,870  
Europe/Middle East/Africa                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue                 160,651 314,173 385,064
Latin America                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue                 35,390 56,515 55,021
Asia Pacific                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue                 30,325 55,995 77,952
Other countries                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Revenue                 13,301 17,784 $ 60,822
International                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Long-Lived Assets (PP&E) $ 247,913       $ 288,089       $ 247,913 $ 288,089