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INVESTMENT IN EQUITY SECURITIES (Schedule of Investments) (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Jan. 01, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Schedule of Equity Method Investments [Line Items] |  |  |
Other investments | $ 5,365 |  | $ 3,538
Total equity method investments and other investments | 46,995 |  | 8,396
BTY |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity method investments | 31,921 | $ 32,000 | 119
Sonmol |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity method investments | 5,195 |  | 0
Kali Care |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity method investments | 3,611 |  | 3,881
Desotec GmbH |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity method investments | $ 904 |  | $ 858

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