Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Details)

v3.4.0.3
Subsequent Events - Additional Information (Details)
$ in Millions
1 Months Ended
Mar. 31, 2016
USD ($)
Order
Feb. 29, 2016
USD ($)
Order
Subsequent Events [Abstract]    
Supplemental bonding required by Bureau of Ocean Energy Management | $ $ 68.0 $ 159.8
Number of supplemental bonding order | Order 2 3