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Segments and Related Information - Financial Information by Business Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Segment Reporting Information [Line Items]          
Revenues $ 183,529 $ 181,834 $ 379,728 $ 345,878  
Depreciation and amortization 15,537 17,239 30,793 35,056  
Operating income (loss) 3,269 (1,090) 9,144 (5,426)  
Capital expenditures 10,770 3,595 17,338 6,453  
Total assets 1,045,020 1,052,303 1,045,020 1,052,303 $ 1,064,392
Corporate          
Segment Reporting Information [Line Items]          
Revenues 0 0 0 0  
Depreciation and amortization 151 172 318 343  
Operating income (loss) (10,180) (9,647) (20,842) (19,279)  
Capital expenditures 265 39 277 130  
Total assets 52,553 47,594 52,553 47,594  
Offshore/ Manufactured Products          
Segment Reporting Information [Line Items]          
Revenues 94,086 96,467 192,285 180,579  
Offshore/ Manufactured Products | Operating Segments          
Segment Reporting Information [Line Items]          
Revenues 94,086 96,467 192,285 180,579  
Depreciation and amortization 4,647 5,249 9,315 10,579  
Operating income (loss) 11,253 9,441 22,343 19,637  
Capital expenditures 4,662 571 5,197 1,473  
Total assets 538,490 552,091 538,490 552,091  
Well Site Services          
Segment Reporting Information [Line Items]          
Revenues 64,536 54,819 131,594 102,991  
Well Site Services | Operating Segments          
Segment Reporting Information [Line Items]          
Revenues 64,536 54,819 131,594 102,991  
Depreciation and amortization 6,564 7,395 12,710 15,327  
Operating income (loss) 4,732 601 11,698 (2,794)  
Capital expenditures 5,672 2,918 11,444 4,466  
Total assets 204,437 195,444 204,437 195,444  
Downhole Technologies          
Segment Reporting Information [Line Items]          
Revenues 24,907 30,548 55,849 62,308  
Downhole Technologies | Operating Segments          
Segment Reporting Information [Line Items]          
Revenues 24,907 30,548 55,849 62,308  
Depreciation and amortization 4,175 4,423 8,450 8,807  
Operating income (loss) (2,536) (1,485) (4,055) (2,990)  
Capital expenditures 171 67 420 384  
Total assets $ 249,540 $ 257,174 $ 249,540 $ 257,174