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Impairments and Other Charges (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Impairments and Other Charges |
Schedule of impairments and other charges | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ |  | 2021 |  | 2020
​ | ​ | ​ | (In thousands)
Goodwill impairments | ​ | $ | — | ​ | $ | 27,798
Intangible asset impairment | ​ | ​ | — | ​ | ​ | 83,624
US Drilling | ​ | ​ | — | ​ | ​ | 87,333
Canada Drilling | ​ | ​ | 58,545 | ​ | ​ | —
International Drilling | ​ | ​ | 215 | ​ | ​ | 117,113
Drilling Solutions | ​ | ​ | — | ​ | ​ | 28,624
Rig Technologies | ​ | ​ | 418 | ​ | ​ | 2,936
Oil and gas related assets | ​ | ​ | — | ​ | ​ | 24,543
Severance and transaction related costs | ​ | ​ | 6,228 | ​ | ​ | 19,070
Other assets | ​ | ​ | 1,325 | ​ | ​ | 19,590
Total | ​ | $ | 66,731 | ​ | $ | 410,631
​

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