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INVESTMENT (Tables) | 12 Months Ended
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Dec. 31, 2021
INVESTMENT |
Schedule of changes in equity method investment | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ | ​ | 2021 |  | 2020 |  | 2019
​ | ​ | (in thousands)
Beginning balance | ​ | $ | 27,268 | ​ | $ | 28,529 | ​ | $ | 28,974
Equity method investment income | ​ | ​ | 2,130 | ​ | ​ | 907 | ​ | ​ | 2,203
Distributions received | ​ | ​ | (3,073) | ​ | ​ | (1,895) | ​ | ​ | (2,648)
Other | ​ | ​ | — | ​ | ​ | (273) | ​ | ​ | —
Ending balance | ​ | $ | 26,325 | ​ | $ | 27,268 | ​ | $ | 28,529

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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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