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Revenue From Contracts With Customers (Tables) | 9 Months Ended
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Sep. 30, 2021
Revenue from Contract with Customer [Abstract] |
Schedule of disaggregation of revenue | The following table provides information about disaggregated revenue by contract duration (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Well | ​ | ​ | ​ | Production | ​ | Intercompany | ​ | Total
​ |  | Intervention |  | Robotics |  | Facilities |  | Eliminations (1) |  | Revenue
Three months ended September 30, 2021 |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Short-term | ​ | $ | 92,954 | ​ | $ | 30,186 | ​ | $ | — | ​ | $ | — | ​ | $ | 123,140
Long-term | ​ |  | 38,360 | ​ |  | 12,437 | ​ |  | 18,552 | ​ |  | (11,773) | ​ |  | 57,576
Total | ​ | $ | 131,314 | ​ | $ | 42,623 | ​ | $ | 18,552 | ​ | $ | (11,773) | ​ | $ | 180,716
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Three months ended September 30, 2020 | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Short-term | ​ | $ | 46,907 | ​ | $ | 28,782 | ​ | $ | — | ​ | $ | — | ​ | $ | 75,689
Long-term | ​ |  | 93,896 | ​ |  | 21,020 | ​ |  | 14,167 | ​ |  | (11,282) | ​ |  | 117,801
Total | ​ | $ | 140,803 | ​ | $ | 49,802 | ​ | $ | 14,167 | ​ | $ | (11,282) | ​ | $ | 193,490
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Nine months ended September 30, 2021 | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Short-term | ​ | $ | 218,840 | ​ | $ | 60,605 | ​ | $ | — | ​ | $ | — | ​ | $ | 279,445
Long-term | ​ |  | 178,547 | ​ |  | 35,825 | ​ |  | 49,217 | ​ |  | (36,962) | ​ |  | 226,627
Total | ​ | $ | 397,387 | ​ | $ | 96,430 | ​ | $ | 49,217 | ​ | $ | (36,962) | ​ | $ | 506,072
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Nine months ended September 30, 2020 | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Short-term | ​ | $ | 184,599 | ​ | $ | 87,307 | ​ | $ | — | ​ | $ | — | ​ | $ | 271,906
Long-term | ​ |  | 242,697 | ​ |  | 48,589 | ​ |  | 43,301 | ​ |  | (32,835) | ​ |  | 301,752
Total | ​ | $ | 427,296 | ​ | $ | 135,896 | ​ | $ | 43,301 | ​ | $ | (32,835) | ​ | $ | 573,658
(1) | Intercompany revenues among our business segments are under agreements that are considered long-term.

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 + Details
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