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INVESTMENT (Tables) | 6 Months Ended
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Jun. 30, 2021
INVESTMENT |
Schedule of changes in equity method investment | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended | ​
​ | ​ | June 30, | ​ | June 30, | ​
​ |  | 2021 |  | 2020 |  | 2021 |  | 2020 | ​
​ | ​ | (in thousands) | ​
Beginning balance | ​ | $ | 26,907 | ​ | $ | 28,114 | ​ | $ | 27,268 | ​ | $ | 28,529 | ​
Equity method investment income | ​ | ​ | 341 | ​ | ​ | 137 | ​ | ​ | 403 | ​ | ​ | 588 | ​
Distributions received | ​ | ​ | (974) | ​ | ​ | (546) | ​ | ​ | (1,397) | ​ | ​ | (1,139) | ​
Other | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (273) | ​
Ending balance | ​ | $ | 26,274 | ​ | $ | 27,705 | ​ | $ | 26,274 | ​ | $ | 27,705 | ​

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- Definition Tabular disclosure of changes in the carrying amount of equity method investment. + References No definition available. + Details
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- References No definition available. + Details
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