Goodwill and Other Intangible Assets - Narrative (Details)	3 Months Ended	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2019 USD ($) reporting_unit	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 01, 2019	Sep. 30, 2019 USD ($)
Goodwill [Line Items]
Number of reporting units | reporting_unit		3
Goodwill, net	$ 482,306,000	$ 482,306,000	$ 647,018,000	$ 268,009,000		$ 646,700,000
Impairment of goodwill	165,000,000.0	$ 165,000,000	0	0
Reporting unit, percentage increase in discount rate		0.50%
Goodwill impairment loss, increase in charge due to increase in discount rate		$ 28,000,000
Amortization		$ 26,800,000	$ 26,300,000	8,700,000
Useful life		12 years 10 months 24 days	13 years 6 months
Amortization expense, next twelve months	25,000,000.0	$ 25,000,000.0
Amortization expense, year two	20,600,000	20,600,000
Amortization expense, year three	19,700,000	19,700,000
Amortization expense, year four	16,700,000	16,700,000
Amortization expense, year five	16,700,000	16,700,000
Downhole Technologies
Goodwill [Line Items]
Goodwill, net	192,502,000	192,502,000	$ 357,502,000	0
Impairment of goodwill		165,000,000.0
Total Well Site Services
Goodwill [Line Items]
Goodwill, net	127,054,000	127,054,000	127,054,000	105,103,000
Impairment of goodwill		0
Offshore / Manufactured Products
Goodwill [Line Items]
Goodwill, net	162,750,000	162,750,000	162,462,000	162,906,000
Impairment of goodwill		0
Reporting unit, percentage of fair value in excess of carrying amount					38.00%
Completion Services | Total Well Site Services
Goodwill [Line Items]
Goodwill, net	$ 127,054,000	127,054,000	$ 127,054,000	$ 105,103,000
Impairment of goodwill		$ 0
Reporting unit, percentage of fair value in excess of carrying amount					24.00%
Minimum
Goodwill [Line Items]
Reporting unit, discount rate		12.50%
Maximum
Goodwill [Line Items]
Reporting unit, discount rate		13.00%