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Segments and Related Information - Financial Information by Business Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Segment Reporting Information [Line Items]      
Revenues $ 164,044 $ 125,589  
Depreciation and amortization 17,817 21,520  
Operating income (loss) (4,336) (19,762)  
Capital expenditures 2,858 4,120  
Total assets 1,077,965 1,124,419 $ 1,085,748
Impairments of fixed assets 0 650  
Corporate      
Segment Reporting Information [Line Items]      
Revenues 0 0  
Depreciation and amortization 171 194  
Operating income (loss) (9,632) (9,365)  
Capital expenditures 91 244  
Total assets 55,053 79,312  
Offshore/Manufactured Products      
Segment Reporting Information [Line Items]      
Revenues 84,112 60,609  
Offshore/Manufactured Products | Operating Segments      
Segment Reporting Information [Line Items]      
Revenues 84,112 60,609  
Depreciation and amortization 5,330 5,469  
Operating income (loss) 10,196 1,071  
Capital expenditures 902 463  
Total assets 559,877 534,819  
Well Site Services      
Segment Reporting Information [Line Items]      
Revenues 48,172 39,550  
Impairments of fixed assets   700  
Well Site Services | Operating Segments      
Segment Reporting Information [Line Items]      
Revenues 48,172 39,550  
Depreciation and amortization 7,932 11,468  
Operating income (loss) (3,395) (9,853)  
Capital expenditures 1,548 3,330  
Total assets 197,077 229,968  
Downhole Technologies      
Segment Reporting Information [Line Items]      
Revenues 31,760 25,430  
Downhole Technologies | Operating Segments      
Segment Reporting Information [Line Items]      
Revenues 31,760 25,430  
Depreciation and amortization 4,384 4,389  
Operating income (loss) (1,505) (1,615)  
Capital expenditures 317 83  
Total assets $ 265,958 $ 280,320