Quarterly report pursuant to Section 13 or 15(d)

Debt - Additional Information (Detail)

v2.4.0.8
Debt - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Sep. 30, 2014
Jan. 31, 2014
Sep. 30, 2014
Maximum
Debt (Textual) [Abstract]      
Maximum borrowing capacity under loan agreement   $ 65.0  
Borrowings under credit facility $ 15.0    
Debt to equity ratio     1.5
Net debt ratio to EBITDAX     3