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Condensed Consolidated Statements of Operations (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2020
Income Statement [Abstract]    
Impairment of available for sale debt securities $ 4,912 $ 4,912
Loss on impairment $ (94) $ (94)