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Segment Information - Adjusted operating income (loss) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Segment Information |  |  |
Total segment adjusted operating income (loss) | $ 433,707 | $ 194,401 | $ (80,787)
Operating segments |  |  |
Segment Information |  |  |
Total segment adjusted operating income (loss) | 433,707 | 194,401 | (80,787)
Operating segments | U.S. Drilling |  |  |
Segment Information |  |  |
Total segment adjusted operating income (loss) | 262,353 | 108,506 | (76,492)
Operating segments | Canada Drilling |  |  |
Segment Information |  |  |
Total segment adjusted operating income (loss) |  |  | 2,893
Operating segments | International Drilling |  |  |
Segment Information |  |  |
Total segment adjusted operating income (loss) | 40,868 | (879) | (40,117)
Operating segments | Drilling Solutions |  |  |
Segment Information |  |  |
Total segment adjusted operating income (loss) | 110,957 | 77,868 | 32,771
Operating segments | Rig Technologies |  |  |
Segment Information |  |  |
Total segment adjusted operating income (loss) | $ 19,529 | $ 8,906 | $ 158

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