Quarterly report pursuant to Section 13 or 15(d)

Schedule of Long-Term Debt (Details)

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Schedule of Long-Term Debt (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Debt Instrument [Line Items]    
Long-term debt $ 296,412 $ 312,426
Less: portion due within one year (26,130) (27,426)
Less: debt discount, net (2,611) (2,882)
Total long-term debt 267,671 282,118
7.750%Senior Notes    
Debt Instrument [Line Items]    
7.750% senior notes (excluding unamortized discount) 190,100 200,000
Senior secured revolving credit facility    
Debt Instrument [Line Items]    
Long-term debt 80,000 85,000
Promissory notes    
Debt Instrument [Line Items]    
Long-term debt 26,130 27,426
Other    
Debt Instrument [Line Items]    
Long-term debt $ 182 $ 0