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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) | 6 Months Ended
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Jun. 30, 2023
FAIR VALUE OF FINANCIAL INSTRUMENTS |
Schedule of fair values and carrying values of the Company's financial instruments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, 2023 | ​ | December 31, 2022 | ​
​ |  | Carrying |  | ​ | ​ |  | Carrying |  | ​ | ​ |
​ |  | Value |  | Fair Value |  | Value |  | Fair Value |
Cash and cash equivalents | ​ | $ | 47,934 | ​ | $ | 47,934 | ​ | $ | 58,142 | ​ | $ | 58,142 | ​
Restricted cash | ​ |  | 5,958 | ​ |  | 5,958 | ​ |  | 5,958 | ​ |  | 5,958 | ​
Principal amount of floating rate debt | ​ |  | 153,500 | ​ |  | 153,500 | ​ |  | 171,000 | ​ |  | 171,000 | ​

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