Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Schedule of Fair Value of Derivatives Financial Instruments and Long-Term Debt (Details)

v3.5.0.2
Fair Value Measurements - Schedule of Fair Value of Derivatives Financial Instruments and Long-Term Debt (Details) - Fair Value, Inputs, Level 2 - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value of commodity derivative contracts $ 112 $ 7,672
Fair value of commodity derivative contracts 47  
11.00% 1.5 Lien Term Loan, Due November 2019    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Long-term debt, term loan fair value [1] 75,000  
9.00 % Second Lien Term Loan, Due May 2020    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Long-term debt, term loan fair value [1] 192,000 217,500
8.50% Unsecured Senior Notes, Due June 2019    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Long-term debt, notes fair value [1] 74,033 $ 324,000
9.00%/10.75% Second Lien PIK Toggle Notes, Due May 2020    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Long-term debt, notes fair value [1] 87,870  
8.50%/10.00% Third Lien PIK Toggle Notes Due June 2021    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Long-term debt, notes fair value [1] $ 49,711  
[1] The long-term debt items are reported on the Condensed Consolidated Balance Sheets at their carrying value as described in Note 5.