INVESTMENTS - (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
Investments rollforward | |||
Proceeds from sale of investments | $ 1,266 | $ 6,769 | $ 2,895 |
Cost of purchase of marketable equity securities | 1,300 | ||
Marketable equity securities | |||
Investments rollforward | |||
Proceeds from sale of investments | $ 1,300 | $ 6,800 | $ 2,900 |