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Accounts Receivable - Schedule of Accounts Receivable (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Jun. 30, 2019
Accounts Receivable    
Account receivable, Gross $ 53,508 $ 51,133
Account receivable, Allowance (1,545) (3,349)
Account receivable, Net $ 51,963 $ 47,784