Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Components of Long-Term Debt (Details)

v3.7.0.1
Long-Term Debt - Components of Long-Term Debt (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
Principal $ 873,733 $ 873,733
Adjustments to carrying value, Debt premium, discount, issuance costs, net of amortization (4,962) (5,276)
Adjustments to carrying value, Total 145,251 146,994
Adjustments to carrying value, Current maturities 8,250 8,272
Adjustments to carrying value, less current maturities 137,001 138,722
Debt premium, discount, issuance costs, net of amortization (4,962) (5,276)
Total long-term debt 1,018,984 1,020,727
Long-term debt 8,250 8,272
Long term debt, less current maturities 1,010,734 1,012,455
11.00% 1.5 Lien Term Loan, Due November 2019    
Debt Instrument [Line Items]    
Principal 75,000 75,000
Adjustments to carrying value, Future interest payments 21,766 23,823
Adjustments to carrying value, Subtotal 21,766 23,823
Carrying Value 96,766 98,823
9.00 % Second Lien Term Loan, Due May 2020    
Debt Instrument [Line Items]    
Principal 300,000 300,000
Carrying Value 300,000 300,000
8.50% Unsecured Senior Notes, Due June 2019    
Debt Instrument [Line Items]    
Principal 189,829 189,829
Carrying Value 189,829 189,829
9.00%/10.75% Second Lien PIK Toggle Notes, Due May 2020    
Debt Instrument [Line Items]    
Principal 163,007 163,007
Adjustments to carrying value, Future payments-in-kind 24,048 24,048
Adjustments to carrying value, Future interest payments 36,850 36,850
Adjustments to carrying value, Subtotal 60,898 60,898
Carrying Value 223,905 223,905
8.50%/10.00% Third Lien PIK Toggle Notes, Due June 2021    
Debt Instrument [Line Items]    
Principal 145,897 145,897
Adjustments to carrying value, Future payments-in-kind 26,844 26,844
Adjustments to carrying value, Future interest payments 40,705 40,705
Adjustments to carrying value, Subtotal 67,549 67,549
Carrying Value $ 213,446 $ 213,446