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MARKETABLE SECURITIES - Marketable Securities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]    
Marketable securities $ 0 $ 1,027
Israeli mutual funds    
Debt Securities, Available-for-sale [Line Items]    
Marketable securities $ 0 $ 1,027