Post-effective amendment to a registration statement that is not immediately effective upon filing

DEBT (Details) - Schedule of debt

v3.21.1
DEBT (Details) - Schedule of debt - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
DEBT (Details) - Schedule of debt [Line Items]      
Long-term debt $ 35,190 $ 33,843 $ 33,728
Series D Due March 2022      
DEBT (Details) - Schedule of debt [Line Items]      
Long-term debt 27,266 [1] 27,142 [2] 26,566 [2]
Loan due May 2023 and other borrowings      
DEBT (Details) - Schedule of debt [Line Items]      
Long-term debt $ 7,924 $ 6,701 $ 7,162
[1] Net of debt issuance costs of $608 and $741 in 2021 and 2020, respectively.
[2] Net of debt issuance costs of $741 and $1,183 in 2020 and 2019.