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Goodwill and Other Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
Changes in the carrying amount of goodwill for the years ended December 31, 2021 and 2020 were as follows (in thousands):
Offshore / Manufactured
Products		Downhole TechnologiesWell Site ServicesTotal
Balance as of December 31, 2019
Goodwill$162,750 $357,502 $244,349 $764,601 
Accumulated impairment losses— (165,000)(117,295)(282,295)
162,750 192,502 127,054 482,306 
Goodwill impairment (March 2020)(86,500)(192,502)(127,054)(406,056)
Foreign currency translation239 — — 239 
Balance as of December 31, 2020$76,489 $— $— $76,489 
Balance as of December 31, 2020
Goodwill$162,989 $357,502 $244,349 $764,840 
Accumulated impairment losses(86,500)(357,502)(244,349)(688,351)
76,489 — — 76,489 
Foreign currency translation(77)— — (77)
Balance as of December 31, 2021$76,412 $— $— $76,412 
Balance as of December 31, 2021
Goodwill$162,912 $357,502 $244,349 $764,763 
Accumulated impairment losses(86,500)(357,502)(244,349)(688,351)
$76,412 $— $— $76,412 
Schedule of Finite-Lived Intangible Assets
The following table presents the gross carrying amount and the related accumulated amortization for major intangible asset classes as of December 31, 2021 and 2020 (in thousands):
20212020
Gross
Carrying
Amount		Accumulated
Amortization		Net Carrying AmountGross
Carrying
Amount		Accumulated
Amortization		Net Carrying Amount
Other intangible assets:
Customer relationships$168,284 $66,734 $101,550 $168,288 $55,380 $112,908 
Patents/Technology/Know-how78,821 33,151 45,670 75,920 26,124 49,796 
Noncompete agreements— — — 16,044 14,742 1,302 
Tradenames and other53,708 15,179 38,529 53,708 11,965 41,743 
$300,813 $115,064 $185,749 $313,960 $108,211 $205,749