Derivatives and Hedging Activities (Schedule of Cash Flow Hedge Included in Accumulated Other Comprehensive Income (Loss), Net of Income Taxes) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Net increase (decrease) in accumulated other comprehensive (loss) income, net of tax	$ 109	$ (1,071)
Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Net interest expense recognized as a result of interest rate swap	560	27
Unrealized loss in fair value of interest rate swap	(402)	(1,440)
Net increase (decrease) in accumulated other comprehensive (loss) income	158	(1,413)
Income tax effect	49	(342)
Net increase (decrease) in accumulated other comprehensive (loss) income, net of tax	$ 109	$ (1,071)