Annual report pursuant to Section 13 and 15(d)

Equity Investments (Investments Accounted For By The Equity Method) (Details)

v3.3.1.900
Equity Investments (Investments Accounted For By The Equity Method) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Nov. 30, 2014
Sep. 30, 2014
Schedule of Equity Method Investments [Line Items]          
Equity investments $ 242,393 $ 369,581      
Loss (income) from equity method investments $ 106,093 (139,434) $ (213,058)    
Investment in Tatex Thailand II, LLC          
Schedule of Equity Method Investments [Line Items]          
Approximate Ownership % 23.50%        
Equity investments $ 0 0      
Loss (income) from equity method investments $ 189 (475) (343)    
Investment in Tatex Thailand III, LLC          
Schedule of Equity Method Investments [Line Items]          
Approximate Ownership % 17.90%        
Equity investments $ 0 0      
Loss (income) from equity method investments $ 0 12,408 254    
Investment in Grizzly Oil Sands ULC          
Schedule of Equity Method Investments [Line Items]          
Approximate Ownership % 24.9999%        
Equity investments $ 50,645 180,218      
Loss (income) from equity method investments $ 115,544 13,159 2,999    
Investment in Bison Drilling and Field Services LLC          
Schedule of Equity Method Investments [Line Items]          
Approximate Ownership % 0.00%        
Equity investments $ 0 0      
Loss (income) from equity method investments $ 0 213 3,533    
Investment in Muskie Proppant LLC          
Schedule of Equity Method Investments [Line Items]          
Approximate Ownership % 0.00%        
Equity investments $ 0 0      
Loss (income) from equity method investments $ 0 371 1,975    
Investment in Timber Wolf Terminals LLC          
Schedule of Equity Method Investments [Line Items]          
Approximate Ownership % 50.00%        
Equity investments $ 999 1,013      
Loss (income) from equity method investments $ 14 9 (6)    
Investment in Windsor Midstream LLC          
Schedule of Equity Method Investments [Line Items]          
Approximate Ownership % 22.50%        
Equity investments $ 27,955 13,505      
Loss (income) from equity method investments $ (18,398) (477) (1,125)    
Investment in Stingray Pressure Pumping LLC          
Schedule of Equity Method Investments [Line Items]          
Approximate Ownership % 0.00%        
Equity investments $ 0 0      
Loss (income) from equity method investments $ 0 2,027 (818)    
Investment in Stingray Cementing LLC          
Schedule of Equity Method Investments [Line Items]          
Approximate Ownership % 50.00%        
Equity investments $ 2,487 2,647      
Loss (income) from equity method investments $ 147 344 93    
Investment in Blackhawk Midstream LLC          
Schedule of Equity Method Investments [Line Items]          
Approximate Ownership % 48.50%        
Equity investments $ 0 0      
Loss (income) from equity method investments $ (7,216) (84,787) 673    
Investment in Stingray Logistics LLC          
Schedule of Equity Method Investments [Line Items]          
Approximate Ownership % 0.00%        
Equity investments $ 0 0      
Loss (income) from equity method investments $ 0 (464) 51    
Investment in Diamondback Energy, Inc.          
Schedule of Equity Method Investments [Line Items]          
Approximate Ownership % 0.00%     20.00%  
Equity investments $ 0 0      
Loss (income) from equity method investments $ 0 (79,654) (220,129)    
Investment in Stingray Energy Services LLC          
Schedule of Equity Method Investments [Line Items]          
Approximate Ownership % 50.00%        
Equity investments $ 5,908 5,718      
Loss (income) from equity method investments $ 557 (88) (215)    
Investment in Sturgeon Acquisitions LLC          
Schedule of Equity Method Investments [Line Items]          
Approximate Ownership % 25.00%       25.00%
Equity investments $ 22,769 22,507      
Loss (income) from equity method investments $ (1,229) (1,819) 0    
Investment in Mammoth Energy Partners LP          
Schedule of Equity Method Investments [Line Items]          
Approximate Ownership % 30.50%        
Equity investments $ 131,630 143,973      
Loss (income) from equity method investments $ 16,485 $ (201) $ 0