Business Segment Information - Summary Of Financial Data By Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Net revenues	$ 674,728	$ 733,555	$ 751,909
Income (loss) from operations	(48,687)	13,025	67,997
Goodwill impairment		(6,689)
Net interest expense	(23,201)	(28,531)	(8,333)
Other non-operating income (expense), net	1,246	16,889	5,892
Income (loss) before income taxes	(70,642)	1,383	65,556
Capital expenditures	8,322	20,244	140,854
Depreciation and amortization	141,514	133,709	112,720
Reportable Segments
Segment Reporting Information [Line Items]
Income (loss) from operations	(7,214)	56,585	113,985
Goodwill impairment		(6,689)
Intercompany Eliminations
Segment Reporting Information [Line Items]
Net revenues	(48,479)	(42,015)	(74,273)
Corporate, Eliminations and Other
Segment Reporting Information [Line Items]
Income (loss) from operations	(41,473)	(36,871)	(45,988)
Capital expenditures	(917)	464	1,102
Depreciation and amortization	(660)	349	450
Well Intervention
Segment Reporting Information [Line Items]
Net revenues	516,564	539,249	593,300
Goodwill impairment		(6,689)
Well Intervention | Reportable Segments
Segment Reporting Information [Line Items]
Net revenues	516,564	539,249	593,300
Income (loss) from operations	(35,882)	26,855	89,564
Capital expenditures	2,349	19,523	139,212
Depreciation and amortization	107,551	101,756	80,153
Well Intervention | Intercompany Eliminations
Segment Reporting Information [Line Items]
Net revenues	(21,521)	(15,039)	(43,484)
Robotics
Segment Reporting Information [Line Items]
Net revenues	137,295	178,018	171,672
Robotics | Reportable Segments
Segment Reporting Information [Line Items]
Net revenues	137,295	178,018	171,672
Income (loss) from operations	5,762	13,755	7,261
Capital expenditures	120	257	417
Depreciation and amortization	15,158	15,952	16,459
Robotics | Intercompany Eliminations
Segment Reporting Information [Line Items]
Net revenues	(26,958)	(26,976)	(30,789)
Production Facilities
Segment Reporting Information [Line Items]
Net revenues	69,348	58,303	61,210
Production Facilities | Reportable Segments
Segment Reporting Information [Line Items]
Net revenues	69,348	58,303	61,210
Income (loss) from operations	22,906	15,975	17,160
Capital expenditures	6,770		123
Depreciation and amortization	$ 19,465	$ 15,652	$ 15,658