Nature of Operations - Narrative (Details) - USD ($) $ in Thousands			12 Months Ended
	Dec. 22, 2016	May 31, 2016	Dec. 31, 2016	Jun. 30, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Debt issuance costs reclassified				$ 21,419	$ 23,610
Global Operating LLC Revolver | Subsequent event | 9.75% Senior Notes due 2022
Debt Instrument [Line Items]
Debt covenant, minimum threshold percentage of ownership for acceleration	50.00%		50.00%
Global Operating LLC | Senior notes | 9.75% Senior Notes due 2022
Debt Instrument [Line Items]
Debt covenant, minimum threshold percentage of ownership for acceleration		25.00%
Global Operating LLC | Senior notes | Subsequent event | 9.75% Senior Notes due 2022
Debt Instrument [Line Items]
Debt covenant, minimum threshold percentage of ownership for acceleration			25.00%
Long-term debt and financing lease obligation | Accounting Standards Update 2015-03
Debt Instrument [Line Items]
Debt issuance costs reclassified				21,419	23,610
Deferred financing costs, net | Accounting Standards Update 2015-03
Debt Instrument [Line Items]
Debt issuance costs reclassified				$ (21,419)	$ (23,610)