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FAIR VALUE MEASUREMENTS (Tables) | 3 Months Ended
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Mar. 31, 2023
FAIR VALUE MEASUREMENTS |
Schedule of financial assets and liabilities measured at fair value on recurring basis | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of March 31, 2023
​ | ​ | ​ | ​ | Fair Value
​ |  | Carrying Value |  | Total |  | Level 1 |  | Level 2 |  | Level 3
Assets (amounts in thousands): | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Marketable equity securities(1) | ​ | $ | 1,172 | ​ | $ | 1,172 | ​ | $ | 149 | ​ | $ | 1,023 | ​ | $ | —
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31, 2022
​ | ​ | ​ | ​ | Fair Value
​ |  | Carrying Value |  | Total |  | Level 1 |  | Level 2 |  | Level 3
Assets (amounts in thousands): | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Marketable equity securities(1) | ​ | $ | 373 | ​ | $ | 373 | ​ | $ | 121 | ​ | $ | 252 | ​ | $ | —
​ (1) Included in Other assets on our consolidated balance sheets. ​

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