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Supplemental Financial Information - Summary of Financing Receivables (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Jun. 30, 2020
Financing receivables    
Gross $ 11,337 $ 13,019
Unearned income (1,752) (1,774)
Allowance for credit loss (798) (4,369)
Total, net 8,787 6,876
Current 3,447 3,084
Non-current $ 5,340 $ 3,792