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Condensed Consolidated Statements of Cash Flows (Parenthetical) (Unaudited) - USD ($)
$ in Thousands
Dec. 31, 2020
Jun. 30, 2020
Dec. 31, 2019
Jun. 30, 2019
Statement Of Cash Flows [Abstract]        
Cash and cash equivalents $ 32,894 $ 40,519    
Restricted cash 934 846    
Cash, cash equivalents and restricted cash $ 33,828 $ 41,365 $ 9,384 $ 12,830