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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

3 Months Ended

Mar. 31, 2021

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Schedule of restricted cash and cash equivalents

​

​	​	​	​	​	​	​	​
​	​	March 31,		​	December 31,		​
​		2021			2020
Cash and cash equivalents		$	123,191		$	143,872	​
Restricted cash - current	​	​	40,519	​	​	35,492	​
Restricted cash - noncurrent	​		315	​		315	​
​	​	​	​	​	​	​	​
Cash, cash equivalents and restricted cash		$	164,025		$	179,679	​
​	​	​	​	​	​	​	​

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- Definition

Tabular disclosure of supplemental cash flow information for the periods presented.

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