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Business Segment Information - Summarized Financial Information of Segments (Detail) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Segment Reporting Information [Line Items]                      
Total revenues $ 483,864 $ 482,743 $ 529,405 $ 575,732 $ 599,755 $ 674,629 $ 573,751 $ 473,812 $ 2,071,744 $ 2,321,947 $ 1,293,719
Operating income (loss) 23,966 $ 8,441 $ 71,572 $ 50,444 69,656 $ 179,045 $ (242,674) $ 112,985 154,423 119,012 143,968
Other income (expense), net                 (277,785) (144,355) (219,826)
Income (loss) before income taxes including non-controlling interests                 (123,362) (25,343) (75,858)
Total assets 7,499,253       7,626,142       7,499,253 7,626,142 6,622,929
Property, plant and equipment, net 6,977,776       7,027,109       6,977,776 7,027,109 6,173,486
Capital expenditures                 843,368 2,203,453 836,204
Depreciation, depletion and amortization                 787,192 636,296 530,802
General and administrative expenses                 143,506 121,346 91,797
Equity-based compensation                 33,607 29,273 26,534
Impairment                 10,257 384,228 6,887
Exploration and Production                      
Segment Reporting Information [Line Items]                      
Total revenues                 1,817,532 2,136,735 1,168,176
Acquisitions of oil and gas properties                 21,000 951,900 54,000
Midstream                      
Segment Reporting Information [Line Items]                      
Total revenues                 488,427 286,642 185,799
Well Services                      
Segment Reporting Information [Line Items]                      
Total revenues                 121,660 205,619 148,136
Operating segments | Exploration and Production                      
Segment Reporting Information [Line Items]                      
Total revenues                 1,817,532 2,136,735 1,168,176
Operating income (loss)                 (71,191) (25,027) 40,694
Other income (expense), net                 (260,878) (142,265) (219,823)
Income (loss) before income taxes including non-controlling interests                 (332,069) (167,292) (179,129)
Total assets 6,567,735       6,838,987       6,567,735 6,838,987 6,058,054
Property, plant and equipment, net 6,127,952       6,311,566       6,127,952 6,311,566 5,663,323
Capital expenditures                 644,798 1,948,076 602,734
Depreciation, depletion and amortization                 766,959 618,402 519,853
General and administrative expenses                 118,701 102,482 77,560
Equity-based compensation                 32,251 27,910 25,436
Impairment                 5,856 384,228 6,887
Operating segments | Midstream                      
Segment Reporting Information [Line Items]                      
Total revenues                 212,238 124,137 72,752
Operating income (loss)                 241,161 143,126 102,377
Other income (expense), net                 (17,065) (2,125) (37)
Income (loss) before income taxes including non-controlling interests                 224,096 141,001 102,340
Total assets 1,101,401       920,619       1,101,401 920,619 663,614
Property, plant and equipment, net 1,078,903       893,285       1,078,903 893,285 649,923
Capital expenditures                 212,381 277,626 235,090
Depreciation, depletion and amortization                 37,152 29,282 15,999
General and administrative expenses                 31,737 24,700 19,583
Equity-based compensation                 1,744 1,547 1,461
Impairment                 0 0 0
Operating segments | Well Services                      
Segment Reporting Information [Line Items]                      
Total revenues                 41,974 61,075 52,791
Operating income (loss)                 (2,024) 30,988 15,057
Other income (expense), net                 158 35 34
Income (loss) before income taxes including non-controlling interests                 (1,866) 31,023 15,091
Total assets 25,866       48,150       25,866 48,150 52,800
Property, plant and equipment, net 1,670       38,871       1,670 38,871 46,779
Capital expenditures                 282 7,831 12,537
Depreciation, depletion and amortization                 13,631 15,698 12,939
General and administrative expenses                 26,233 23,282 24,359
Equity-based compensation                 1,397 1,588 1,264
Impairment                 4,401 0 0
Inter-segment | Exploration and Production                      
Segment Reporting Information [Line Items]                      
Total revenues                 0 0 0
Inter-segment | Midstream                      
Segment Reporting Information [Line Items]                      
Total revenues                 276,189 162,505 113,047
Inter-segment | Well Services                      
Segment Reporting Information [Line Items]                      
Total revenues                 79,686 144,544 95,345
Eliminations                      
Segment Reporting Information [Line Items]                      
Total revenues                 (355,875) (307,049) (208,392)
Operating income (loss)                 (13,523) (30,075) (14,160)
Other income (expense), net                 0 0 0
Income (loss) before income taxes including non-controlling interests                 (13,523) (30,075) (14,160)
Total assets (195,749)       (181,614)       (195,749) (181,614) (151,539)
Property, plant and equipment, net $ (230,749)       $ (216,613)       (230,749) (216,613) (186,539)
Capital expenditures                 (14,093) (30,080) (14,157)
Depreciation, depletion and amortization                 (30,550) (27,086) (17,989)
General and administrative expenses                 (33,165) (29,118) (29,705)
Equity-based compensation                 (1,785) (1,772) (1,627)
Impairment                 $ 0 $ 0 $ 0