Goodwill (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2020 USD ($) reporting_unit
Goodwill [Line Items]
Number of reporting units | reporting_unit		2
Terminal growth rate	2.50%	2.50%
Impairment percent, under income approach	40.00%	40.00%
Impairment percent, under market approach	60.00%	60.00%
Goodwill [Roll Forward]
Goodwill as of beginning of period		$ 137,458
Disposition of Well Support Services reporting unit		(660)
Impairment expense	$ (32,600)	(32,600)
Goodwill as of end of period	$ 104,198	$ 104,198
Completion Services
Goodwill [Line Items]
Weighted average cost of capital	19.90%	19.90%
Goodwill [Roll Forward]
Impairment expense	$ (32,200)
Well Construction Intervention
Goodwill [Line Items]
Weighted average cost of capital	22.40%	22.40%
Goodwill [Roll Forward]
Impairment expense	$ (400)
Minimum
Goodwill [Line Items]
Guideline public company method, revenue impairment multiplier	0.5	0.5
Guideline public company method, EBITDA impairment multiplier	3.3	3.3
Guideline transaction method, revenue impairment multiplier	0.7	0.7
Guideline transaction method, invested capital impairment multiplier	0.6	0.6
Maximum
Goodwill [Line Items]
Guideline public company method, revenue impairment multiplier	0.6	0.6
Guideline public company method, EBITDA impairment multiplier	6.2	6.2
Guideline transaction method, revenue impairment multiplier	2.1	2.1
Guideline transaction method, invested capital impairment multiplier	1.3	1.3