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Revolving Credit Facility and Long-Term Debt - Financial Covenants (Details)
12 Months Ended
Dec. 31, 2016
USD ($)
quarter
Debt Instrument [Line Items]  
Number of consecutive quarters for EBITDA to fixed charges ratio covenants | quarter 4,000
Credit Agreement  
Debt Instrument [Line Items]  
Consolidated EBITDA $ 1,250
Consolidated Net Income 0
Facility Capital Expenditures $ 30,000,000
Through March 31, 2017 [Member] | Credit Agreement  
Debt Instrument [Line Items]  
Consolidated Total Leverage Ratio 4,500.0
April 1, 2017 through June 30, 2017 [Member] | Credit Agreement  
Debt Instrument [Line Items]  
Consolidated Total Leverage Ratio 4,000
July 1, 2017 through December 31, 2017 [Member] | Credit Agreement  
Debt Instrument [Line Items]  
Consolidated Total Leverage Ratio 3,750.00
January 1, 2018 through March 31, 2018 [Member] | Credit Agreement  
Debt Instrument [Line Items]  
Consolidated Total Leverage Ratio 3,500.0
April 1, 2018 and thereafter [Member] | Credit Agreement  
Debt Instrument [Line Items]  
Consolidated Total Leverage Ratio 3,250.00