Goodwill and Other Intangible Assets - Changes in the Carrying Value of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2020	Dec. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Line Items]
Goodwill		$ 764,601	$ 764,763	$ 764,840	$ 764,601
Accumulated impairment losses		(282,295)	(688,351)	(688,351)	(282,295)
Changes in carrying value of goodwill
Goodwill, net, beginning of period	$ 482,306	647,000	76,489	482,306
Goodwill impairments	(406,100)		0	(406,056)	(165,000)
Foreign currency translation			(77)	239
Goodwill, net, end of period		482,306	76,412	76,489	482,306
Offshore/Manufactured Products
Goodwill [Line Items]
Goodwill		162,750	162,912	162,989	162,750
Accumulated impairment losses		0	(86,500)	(86,500)	0
Changes in carrying value of goodwill
Goodwill, net, beginning of period	162,750		76,489	162,750
Goodwill impairments				(86,500)
Foreign currency translation			(77)	239
Goodwill, net, end of period		162,750	76,412	76,489	162,750
Downhole Technologies
Goodwill [Line Items]
Goodwill		357,502	357,502	357,502	357,502
Accumulated impairment losses		(165,000)	(357,502)	(357,502)	(165,000)
Changes in carrying value of goodwill
Goodwill, net, beginning of period	192,502		0	192,502
Goodwill impairments		(165,000)		(192,502)
Foreign currency translation			0	0
Goodwill, net, end of period		192,502	0	0	192,502
Well Site Services
Goodwill [Line Items]
Goodwill		244,349	244,349	244,349	244,349
Accumulated impairment losses		(117,295)	(244,349)	(244,349)	(117,295)
Changes in carrying value of goodwill
Goodwill, net, beginning of period	$ 127,054		0	127,054
Goodwill impairments				(127,054)
Foreign currency translation			0	0
Goodwill, net, end of period		$ 127,054	$ 0	$ 0	$ 127,054

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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