Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Details)

v3.5.0.2
Subsequent Events - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 28, 2016
Mar. 31, 2014
Sep. 30, 2016
Subsequent Event [Line Items]      
Litigation compensation amount   $ 2.3 $ 1.1
Subsequent Event | Apache Corporation | Judicial Ruling      
Subsequent Event [Line Items]      
Litigation compensation amount $ 43.2    
Amount offset against litigation compensation amount $ 17.0