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Long-Term Debt - Corporate Level Long-Term Debt Narrative (Details)
9 Months Ended
Sep. 08, 2016
USD ($)
Sep. 02, 2016
May 31, 2016
May 06, 2016
USD ($)
requirement
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Aug. 31, 2016
USD ($)
Jun. 30, 2016
USD ($)
Dec. 31, 2015
USD ($)
Revolving credit facility                  
Debt Instrument [Line Items]                  
Repayments of lines of credit         $ 135,000,000 $ 0      
Revolving credit facility | Global Operating LLC Revolver                  
Debt Instrument [Line Items]                  
Line of credit, borrowing capacity       $ 350,000,000          
Line of credit outstanding               $ 135,000,000  
Repayments of lines of credit $ 135,000,000                
Revolving credit facility | Global Operating LLC Revolver | Global Operating LLC                  
Debt Instrument [Line Items]                  
Debt instrument, debt covenant, grace period for annual report       75 days          
Debt covenant, number of requirements | requirement       3          
Revolving credit facility | Global Operating LLC Revolver | Global Operating LLC | Alto Cielo                  
Debt Instrument [Line Items]                  
Letter of credit amount issued         $ 400,000   $ 400,000   $ 500,000
Senior notes | 9.75% Senior Notes due 2022 | Global Operating LLC                  
Debt Instrument [Line Items]                  
Debt instrument, debt covenant, grace period for annual report     60 days            
Redemption price, percentage 101.00% 101.00%