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Segments and Related Information - Supplemental Revenue Information by Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Segment Reporting Information [Line Items] |  |  |  |
Revenues | $ 140,528 | $ 134,759 | $ 411,841 | $ 500,698
Project-driven products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 25,294 | 41,004 | 78,494 | 129,157
Total short-cycle |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 90,207 | 63,949 | 252,283 | 277,250
Completion products and services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 79,785 | 57,270 | 228,418 | 250,817
Drilling services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 3,284 | 2,479 | 7,008 | 7,179
Other products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 7,138 | 4,200 | 16,857 | 19,254
Other products and services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 25,027 | 29,806 | 81,064 | 94,291
Offshore/Manufactured Products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 69,003 | 78,674 | 206,520 | 264,782
Offshore/Manufactured Products | Project-driven products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 25,294 | 41,004 | 78,494 | 129,157
Offshore/Manufactured Products | Total short-cycle |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 18,682 | 7,864 | 46,962 | 41,334
Offshore/Manufactured Products | Completion products and services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 11,544 | 3,664 | 30,105 | 22,080
Offshore/Manufactured Products | Drilling services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Offshore/Manufactured Products | Other products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 7,138 | 4,200 | 16,857 | 19,254
Offshore/Manufactured Products | Other products and services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 25,027 | 29,806 | 81,064 | 94,291
Downhole Technologies |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 25,527 | 18,713 | 77,717 | 74,743
Downhole Technologies | Project-driven products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Downhole Technologies | Total short-cycle |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 25,527 | 18,713 | 77,717 | 74,743
Downhole Technologies | Completion products and services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 25,527 | 18,713 | 77,717 | 74,743
Downhole Technologies | Drilling services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Downhole Technologies | Other products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Downhole Technologies | Other products and services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Well Site Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 45,998 | 37,372 | 127,604 | 161,173
Well Site Services | Project-driven products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Well Site Services | Total short-cycle |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 45,998 | 37,372 | 127,604 | 161,173
Well Site Services | Completion products and services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 42,714 | 34,893 | 120,596 | 153,994
Well Site Services | Drilling services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 3,284 | 2,479 | 7,008 | 7,179
Well Site Services | Other products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 0 | 0 | 0 | 0
Well Site Services | Other products and services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | $ 0 | $ 0 | $ 0 | $ 0

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