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SUPPLEMENTAL CONSOLIDATED FINANCIAL STATEMENT INFORMATION (Tables) | 9 Months Ended
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Sep. 30, 2020
SUPPLEMENTAL CONSOLIDATED FINANCIAL STATEMENT INFORMATION |
Schedule of operating revenues disaggregated by geographic region |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, | ​ | ​ | Nine Months Ended September 30,
​ |  | 2020 |  | 2019 | ​ | ​ | ​ | 2020 | ​ | 2019
Operating Revenues | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
United States | ​ | $ | 8,738 | ​ | $ | 36,814 | ​ |  | $ | 65,408 |  | $ | 96,496
Canada | ​ |  | — | ​ |  | 162 | ​ |  | ​ | 11,808 |  | ​ | 15,720
Total | ​ | $ | 8,738 | ​ | $ | 36,976 | ​ | ​ | $ | 77,216 | ​ | $ | 112,216

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- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph a -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599 + Details
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