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Revenue from Contracts with Customers (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Revenue From Contracts With Customers [Line Items]    
Contract with customer, liability, revenue recognized $ 2,517 $ 3,573
Other Current Assets [Member]    
Revenue From Contracts With Customers [Line Items]    
Capitalized commissions 256  
Selling, General and Administrative Expenses [Member]    
Revenue From Contracts With Customers [Line Items]    
Commission expense recognized $ 273 $ 190