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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, 2022
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Segment Reporting Information [Line Items]            
Revenues $ 181,834 $ 145,724   $ 345,878 $ 271,313  
Depreciation and amortization 17,239 20,909   35,056 42,429  
Operating income (loss) (1,090) (17,618)   (5,426) (37,380)  
Capital expenditures 3,595 3,191   6,453 7,311  
Total assets 1,052,303 1,115,724   1,052,303 1,115,724 $ 1,085,748
Impairment of operating lease assets   2,794        
Impairments of fixed and lease assets 0 2,794   0 3,444  
Corporate            
Segment Reporting Information [Line Items]            
Revenues 0 0   0 0  
Depreciation and amortization 172 189   343 383  
Operating income (loss) (9,647) (8,543)   (19,279) (17,908)  
Capital expenditures 39 325   130 569  
Total assets 47,594 93,060   47,594 93,060  
Impairment of operating lease assets   0        
Offshore/Manufactured Products            
Segment Reporting Information [Line Items]            
Revenues 96,467 76,908   180,579 137,517  
Offshore/Manufactured Products | Operating Segments            
Segment Reporting Information [Line Items]            
Revenues 96,467 76,908   180,579 137,517  
Depreciation and amortization 5,249 5,557   10,579 11,026  
Operating income (loss) 9,441 4,810   19,637 5,881  
Capital expenditures 571 792   1,473 1,255  
Total assets 552,091 526,842   552,091 526,842  
Impairment of operating lease assets   0        
Well Site Services            
Segment Reporting Information [Line Items]            
Revenues 54,819 42,056   102,991 81,606  
Impairment of operating lease assets   2,800 $ 700      
Impairments of fixed and lease assets       3,400    
Well Site Services | Operating Segments            
Segment Reporting Information [Line Items]            
Revenues 54,819 42,056   102,991 81,606  
Depreciation and amortization 7,395 10,642   15,327 22,110  
Operating income (loss) 601 (11,590)   (2,794) (21,443)  
Capital expenditures 2,918 1,877   4,466 5,207  
Total assets 195,444 216,498   195,444 216,498  
Impairment of operating lease assets   2,794        
Downhole Technologies            
Segment Reporting Information [Line Items]            
Revenues 30,548 26,760   62,308 52,190  
Downhole Technologies | Operating Segments            
Segment Reporting Information [Line Items]            
Revenues 30,548 26,760   62,308 52,190  
Depreciation and amortization 4,423 4,521   8,807 8,910  
Operating income (loss) (1,485) (2,295)   (2,990) (3,910)  
Capital expenditures 67 197   384 280  
Total assets $ 257,174 279,324   $ 257,174 $ 279,324  
Impairment of operating lease assets   $ 0