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REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables) | 3 Months Ended
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Mar. 31, 2020
REVENUE FROM CONTRACTS WITH CUSTOMERS |
Schedule of disaggregation of revenues by type |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Illinois |  | ​ |  | ​ |  | Other and |  | ​ |  | ​ | ​ | ​
​ |  | Basin |  | Appalachia |  | Minerals |  | Corporate |  | Elimination |  | Consolidated | ​
​ | ​ | (in thousands) | ​
Three Months Ended March 31, 2020 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Coal sales | ​ | $ | 199,098 | ​ | $ | 115,539 | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | 314,637 | ​
Oil & gas royalties | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 14,239 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 14,239 | ​
Transportation revenues | ​ | ​ | 3,856 | ​ | ​ | 883 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 4,739 | ​
Other revenues | ​ | ​ | 918 | ​ | ​ | 11,681 | ​ | ​ | 24 | ​ | ​ | 7,384 | ​ | ​ | (2,859) | ​ | ​ | 17,148 | ​
Total revenues | ​ | $ | 203,872 | ​ | $ | 128,103 | ​ | $ | 14,263 | ​ | $ | 7,384 | ​ | $ | (2,859) | ​ | $ | 350,763 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Three Months Ended March 31, 2019 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Coal sales | ​ | $ | 317,270 | ​ | $ | 157,453 | ​ | $ | — | ​ | $ | 5,290 | ​ | $ | (3,997) | ​ | $ | 476,016 | ​
Oil & gas royalties | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 10,393 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 10,393 | ​
Transportation revenues | ​ | ​ | 29,238 | ​ | ​ | 1,000 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 30,238 | ​
Other revenues | ​ | ​ | 2,888 | ​ | ​ | 951 | ​ | ​ | 335 | ​ | ​ | 8,872 | ​ | ​ | (3,091) | ​ | ​ | 9,955 | ​
Total revenues | ​ | $ | 349,396 | ​ | $ | 159,404 | ​ | $ | 10,728 | ​ | $ | 14,162 | ​ | $ | (7,088) | ​ | $ | 526,602 | ​
Schedule of current coal supply contracts allocated to performance obligations that are unsatisfied or partially unsatisfied |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 2023 and | ​ | ​ | ​
​ |  | 2020 |  | 2021 |  | 2022 |  | Thereafter |  | Total |
​ | ​ | (in thousands) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Illinois Basin coal revenues | ​ | $ | 621,541 | ​ | $ | 588,838 | ​ | $ | 194,764 | ​ | $ | 274,195 | ​ | $ | 1,679,338 | ​
Appalachia coal revenues | ​ | ​ | 348,424 | ​ | ​ | 91,355 | ​ | ​ | 57,889 | ​ | ​ | — | ​ | ​ | 497,668 | ​
Total coal revenues (1) | ​ | $ | 969,965 | ​ | $ | 680,193 | ​ | $ | 252,653 | ​ | $ | 274,195 | ​ | $ | 2,177,006 | ​
(1) Coal revenues generally consists of consolidated revenues excluding our Minerals segment.

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