Quarterly report pursuant to Section 13 or 15(d)

OTHER NONCURRENT ASSETS - Change in the balance of other investments (Details)

v3.21.1
OTHER NONCURRENT ASSETS - Change in the balance of other investments (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
OTHER NONCURRENT ASSETS  
Ending balance $ 3,000
Percentage of annual interest rate due in two years 3.00%