Annual report pursuant to Section 13 and 15(d)

Related Party Transactions - Narrative (Details)

v3.6.0.2
Related Party Transactions - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Feb. 29, 2016
Dec. 31, 2014
Stingray Cementing LLC        
Related Party Transaction [Line Items]        
Equity investment ownership interest 50.00%      
Stingray Cementing LLC | Investee        
Related Party Transaction [Line Items]        
Due to related parties $ 0.5 $ 2.1    
Oil and natural gas properties $ 6.3 7.0    
Stingray Energy Services LLC        
Related Party Transaction [Line Items]        
Equity investment ownership interest 50.00%      
Stingray Energy Services LLC | Investee        
Related Party Transaction [Line Items]        
Due to related parties $ 3.6 2.2    
Oil and natural gas properties 11.0 16.0    
Stingray Energy Services LLC | Lease operating expense | Investee        
Related Party Transaction [Line Items]        
Related party expense from transactions $ 1.1 2.2    
Mammoth Energy Partners LP        
Related Party Transaction [Line Items]        
Equity investment ownership interest 24.20%     30.50%
Mammoth Energy Partners LP | Investee        
Related Party Transaction [Line Items]        
Equity investment ownership interest 24.20%      
Due to related parties $ 23.5 24.7    
Oil and natural gas properties $ 110.5 $ 141.2    
Strike Force Midstream LLC        
Related Party Transaction [Line Items]        
Equity investment ownership interest 25.00%   25.00%  
Strike Force Midstream LLC | Equity Method Investee [Member]        
Related Party Transaction [Line Items]        
Due to related parties $ 1.6      
Oil and natural gas properties $ 1.8