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Derivatives and Hedging Activities (Schedule of Cash Flow Hedge Included in Accumulated Other Comprehensive Income (Loss), Net of Income Taxes) (Details) - Interest Rate Swap [Member] - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Derivative Instruments, Gain (Loss) [Line Items]    
Net interest expense recognized as a result of interest rate swap $ 69 $ 0
Unrealized gain (loss) in fair value of interest swap rates (23) 0
Net increase (decrease) in accumulated other comprehensive income (loss) 46 0
Income tax effect 17 0
Net increase (decrease) in accumulated other comprehensive income (loss), net of tax $ 29 $ 0