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Segments and Related Information - Supplemental Revenue Information by Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Segment Reporting Information [Line Items] |  |  |  |
Revenues | $ 145,724 | $ 146,245 | $ 271,313 | $ 365,939
Project-driven products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 31,826 | 51,365 | 53,200 | 88,153
Total short-cycle |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 84,846 | 62,682 | 162,076 | 213,301
Completion products and services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 76,290 | 55,879 | 148,633 | 193,547
Drilling services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 2,973 | 169 | 3,724 | 4,700
Other products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 5,583 | 6,634 | 9,719 | 15,054
Other products and services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 29,052 | 32,198 | 56,037 | 64,485
Offshore/Manufactured Products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 76,908 | 94,936 | 137,517 | 186,108
Offshore/Manufactured Products | Project-driven products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 31,826 | 51,365 | 53,200 | 88,153
Offshore/Manufactured Products | Total short-cycle |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 16,030 | 11,373 | 28,280 | 33,470
Offshore/Manufactured Products | Completion products and services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 10,447 | 4,739 | 18,561 | 18,416
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 | 5,583 | 6,634 | 9,719 | 15,054
Offshore/Manufactured Products | Other products and services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 29,052 | 32,198 | 56,037 | 64,485
Downhole Technologies |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 26,760 | 14,965 | 52,190 | 56,030
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 | 26,760 | 14,965 | 52,190 | 56,030
Downhole Technologies | Completion products and services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 26,760 | 14,965 | 52,190 | 56,030
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 | 42,056 | 36,344 | 81,606 | 123,801
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 | 42,056 | 36,344 | 81,606 | 123,801
Well Site Services | Completion products and services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 39,083 | 36,175 | 77,882 | 119,101
Well Site Services | Drilling services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Revenues | 2,973 | 169 | 3,724 | 4,700
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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