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Derivatives and Hedging Activities (Cash Flow Hedge Included in Accumulated Other Comprehensive Income (Loss)) (Details) - Interest Rate Swap [Member] - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Derivative Instruments, Gain (Loss) [Line Items]    
Net interest expense recognized as a result of interest rate swap $ 161 $ 7
Unrealized gain in fair value of interest swap rates 1,422 14
Net increase in accumulated other comprehensive income (loss) 1,583 21
Income tax effect 494 8
Net increase in accumulated other comprehensive income (loss), net of tax $ 1,089 $ 13