XML 49 R38.htm IDEA: XBRL DOCUMENT v3.4.0.3
Going Concern (Details)
$ in Millions
3 Months Ended
Mar. 31, 2016
Mar. 21, 2016
USD ($)
Mar. 11, 2016
USD ($)
Debt Instrument      
Subjective acceleration clause period 30 days    
Senior credit facility      
Debt Instrument      
Borrowing base     $ 340.0
Debt Instrument, Restrictive Covenants, Ratio of Secured Debt To EBITDA, Measured Quarterly 2.00    
Current Ratio, Minimum 1.00    
June Amendment | Senior credit facility      
Debt Instrument      
Borrowing base   $ 500.0