Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.2
OTHER NONCURRENT ASSETS - Change in the balance of other investments (Details) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Apr. 30, 2021
Sep. 30, 2021
Sep. 30, 2021
Dec. 31, 2020
Investment Income        
Other investments   $ 7,259 $ 7,259 $ 3,000
Net unrealized (gain) loss on investments     (11)  
Convertible debt        
Investment Income        
Other investments       $ 3,000
Percentage of annual interest rate       3.00%
Period of annual interest due       2 years
Net unrealized (gain) loss on investments   0 300  
Convertible Promissory Note one        
Investment Income        
Other investments $ 1,600      
Percentage of annual interest rate 3.00%      
Period of annual interest due 2 years      
Net unrealized (gain) loss on investments   100 300  
Convertible Promissory Note two        
Investment Income        
Other investments $ 2,000      
Percentage of annual interest rate 3.00%      
Period of annual interest due 5 years      
Change in fair value, net   $ 0 $ 0