REPORTABLE SEGMENT INFORMATION - Reconciliation of Net Income (Loss) to Adjusted EBITDA (Details) - USD ($)		12 Months Ended
	Jun. 16, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Net income (loss)		$ 173,862,000	$ 12,613,000	$ (53,147,000)
Depreciation and amortization		88,138,000	55,628,000	43,542,000
Interest expense		6,889,000	7,347,000	20,387,000
Income tax expense (benefit)		51,255,000	3,128,000	(27,972,000)
Loss (gain) on disposal of assets		59,220,000	39,086,000	22,529,000
Property and equipment impairment expense		0	0	6,305,000
Goodwill impairment expense		0	0	1,177,000
Gain on extinguishment of debt	$ (7,000,000)	0	0	(6,975,000)
Stock-based compensation		5,482,000	9,489,000	1,649,000
Other expense		663,000	1,025,000	321,000
Other general and administrative expense		205,000	722,000
Deferred IPO Bonus		2,809,000	8,405,000
Adjusted EBITDA		388,523,000	137,443,000	7,816,000
Pressure Pumping
Segment Reporting Information [Line Items]
Net income (loss)		253,196,000	50,417,000	(45,316,000)
Depreciation and amortization		83,404,000	51,155,000	37,282,000
Interest expense		0	0	0
Income tax expense (benefit)		0	0	0
Loss (gain) on disposal of assets		59,962,000	38,059,000	23,690,000
Property and equipment impairment expense				0
Goodwill impairment expense				0
Gain on extinguishment of debt				0
Stock-based compensation		0	0	0
Other expense		0	0	0
Other general and administrative expense		2,000	0
Deferred IPO Bonus		1,832,000	5,491,000
Adjusted EBITDA		398,396,000	145,122,000	15,656,000
All Other
Segment Reporting Information [Line Items]
Net income (loss)		(79,334,000)	(37,804,000)	(7,831,000)
Depreciation and amortization		4,734,000	4,473,000	6,260,000
Interest expense		6,889,000	7,347,000	20,387,000
Income tax expense (benefit)		51,255,000	3,128,000	(27,972,000)
Loss (gain) on disposal of assets		(742,000)	1,027,000	(1,161,000)
Property and equipment impairment expense				6,305,000
Goodwill impairment expense				1,177,000
Gain on extinguishment of debt				(6,975,000)
Stock-based compensation		5,482,000	9,489,000	1,649,000
Other expense		663,000	1,025,000	321,000
Other general and administrative expense		203,000	722,000
Deferred IPO Bonus		977,000	2,914,000
Adjusted EBITDA		$ (9,873,000)	$ (7,679,000)	$ (7,840,000)