Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Details)

v3.7.0.1
Segment Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Sales and revenues:      
Sales and revenues $ 1,195,579 $ 721,004  
Operating expenses:      
Lease operating 15,551 11,293  
Gathering, compression, processing, and transportation 266,829 208,738  
Depletion, depreciation, and amortization 202,729 191,582  
General and administrative expense 64,698 56,287  
Other operating expenses 144,429 174,355  
Total operating expenses 694,236 642,255  
Operating income (loss) 501,343 78,749  
Equity in earnings of unconsolidated affiliate 2,231    
Segment assets 14,888,654 14,288,712 $ 14,255,550
Capital expenditures for segment assets 516,234 510,123  
Exploration and production      
Sales and revenues:      
Sales and revenues 1,127,051 617,944  
Gathering and compression      
Sales and revenues:      
Sales and revenues 2,539 3,587  
Fresh Water Distribution      
Sales and revenues:      
Sales and revenues 65 257  
Marketing      
Sales and revenues:      
Sales and revenues 65,924 99,216  
Operating segments | Exploration and production      
Sales and revenues:      
Sales and revenues 1,131,491 621,769  
Operating expenses:      
Lease operating 15,742 11,332  
Gathering, compression, processing, and transportation 347,768 267,445  
Depletion, depreciation, and amortization 174,969 167,552  
General and administrative expense 51,056 43,552  
Other operating expenses 53,618 35,165  
Total operating expenses 643,153 525,046  
Operating income (loss) 488,338 96,723  
Segment assets 12,989,013 12,738,875  
Capital expenditures for segment assets 456,950 449,830  
Operating segments | Gathering and compression      
Sales and revenues:      
Sales and revenues 91,659 69,627  
Operating expenses:      
Gathering, compression, processing, and transportation 8,114 7,170  
Depletion, depreciation, and amortization 19,924 17,068  
General and administrative expense 10,138 9,335  
Other operating expenses   449  
Total operating expenses 38,176 34,022  
Operating income (loss) 53,483 35,605  
Equity in earnings of unconsolidated affiliate 2,231    
Segment assets 1,941,668 1,518,554  
Capital expenditures for segment assets 66,559 48,686  
Operating segments | Fresh Water Distribution      
Sales and revenues:      
Sales and revenues 83,110 66,446  
Operating expenses:      
Lease operating 38,622 40,714  
Depletion, depreciation, and amortization 7,836 6,962  
General and administrative expense 4,319 3,756  
Other operating expenses 4,344 4,204  
Total operating expenses 55,121 55,636  
Operating income (loss) 27,989 10,810  
Segment assets 645,943 524,348  
Capital expenditures for segment assets 36,954 37,036  
Operating segments | Marketing      
Sales and revenues:      
Sales and revenues   99,216  
Operating expenses:      
Other operating expenses 89,993 137,933  
Total operating expenses 89,993 137,933  
Operating income (loss) (24,069) (38,717)  
Segment assets 27,730 35,983  
Elimination of intersegment transaction      
Sales and revenues:      
Sales and revenues (176,605) (136,054)  
Operating expenses:      
Lease operating (38,813) (40,753)  
Gathering, compression, processing, and transportation (89,053) (65,877)  
General and administrative expense (815) (356)  
Other operating expenses (3,526) (3,396)  
Total operating expenses (132,207) (110,382)  
Operating income (loss) (44,398) (25,672)  
Segment assets (715,700) (529,048)  
Capital expenditures for segment assets (44,229) (25,429)  
Elimination of intersegment transaction | Exploration and production      
Sales and revenues:      
Sales and revenues 4,440 3,825  
Elimination of intersegment transaction | Gathering and compression      
Sales and revenues:      
Sales and revenues 89,120 66,040  
Elimination of intersegment transaction | Fresh Water Distribution      
Sales and revenues:      
Sales and revenues 83,045 $ 66,189  
Elimination of intersegment transaction | Marketing      
Sales and revenues:      
Sales and revenues $ 65,924