Reportable Segment Information - Reconciliation of Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Service revenue	$ 133,710	$ 541,847	$ 634,888	$ 1,617,521
Adjusted EBITDA	17,354	131,895	117,688	408,734
Depreciation and amortization	37,467	37,653	117,844	106,252
Goodwill	0	9,425	0	9,425	$ 9,425
Capital expenditures	7,941	86,959	59,915	334,325
Total assets	1,096,137	1,436,111	1,096,137	1,436,111	$ 1,436,111
Pressure Pumping
Segment Reporting Information [Line Items]
Service revenue	131,321	528,851	622,055	1,576,781
Adjusted EBITDA	26,662	134,789	139,359	417,017
Depreciation and amortization	36,326	36,110	114,205	101,916
Goodwill		9,425		9,425
Capital expenditures	7,571	83,770	56,873	322,347
Total assets	1,055,698	1,381,811	1,055,698	1,381,811
All Other
Segment Reporting Information [Line Items]
Service revenue	2,389	12,996	12,833	40,740
Adjusted EBITDA	(9,308)	(2,894)	(21,671)	(8,283)
Depreciation and amortization	1,141	1,543	3,639	4,336
Goodwill		0		0
Capital expenditures	370	3,189	3,042	11,978
Total assets	$ 40,439	$ 54,300	$ 40,439	$ 54,300