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Income Taxes - Interest and Penalties Related to Liabilities for Income Tax Expense (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Income Tax Disclosure [Abstract]    
Interest expense $ (1,418) $ 3,037
Penalties expense (recoveries) 231 492
Total $ (1,187) $ 3,529