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Segments and Related Information - Financial Information by Business Segment (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues $ 782,283 $ 737,706 $ 573,161
Depreciation and amortization 60,778 67,334 80,741
Operating income (loss) 23,164 2,905 (64,792)
Capital expenditures 30,653 20,266 17,517
Total assets 1,046,486 1,064,392 1,085,748
Facility consolidation charges 2,500   7,498
Costs associated with defense of certain patents 600    
Provisions for excess and obsolete inventories 3,200    
Gain related to litigation settlement   6,100  
Impairments of inventories 0 0 3,581
Impairments of fixed and lease assets $ 0 0 4,166
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration] Operating income (loss)    
Corporate      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues $ 0 0 0
Depreciation and amortization 636 691 808
Operating income (loss) (41,132) (40,559) (32,258)
Capital expenditures 468 175 1,011
Total assets 54,782 45,441 76,060
Facility consolidation charges     1,555
Impairments of inventories     0
Offshore/ Manufactured Products      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 441,263 381,723 298,729
Offshore/ Manufactured Products | Operating Segments      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 441,263 381,723 298,729
Depreciation and amortization 18,510 20,451 22,190
Operating income (loss) 65,299 45,268 15,447
Capital expenditures 9,661 5,857 4,628
Total assets 561,174 556,769 541,346
Facility consolidation charges     868
Impairments of inventories     0
Well Site Services      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 242,633 231,189 170,940
Impairments of inventories     1,500
Impairments of fixed and lease assets     4,200
Well Site Services | Operating Segments      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 242,633 231,189 170,940
Depreciation and amortization 25,318 28,564 40,152
Operating income (loss) 13,881 4,865 (34,511)
Capital expenditures 19,125 12,963 10,977
Total assets 191,630 206,632 200,874
Facility consolidation charges     4,266
Impairments of inventories     1,468
Downhole Technologies      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 98,387 124,794 103,492
Impairments of inventories     2,100
Downhole Technologies | Operating Segments      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 98,387 124,794 103,492
Depreciation and amortization 16,314 17,628 17,591
Operating income (loss) (14,884) (6,669) (13,470)
Capital expenditures 1,399 1,271 901
Total assets $ 238,901 $ 255,550 267,468
Facility consolidation charges     809
Impairments of inventories     $ 2,113