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	9 Months Ended
Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Mar. 31, 2024	Mar. 31, 2023
Derivative Instruments, Gain (Loss) [Line Items]
Net increase (decrease) in accumulated other comprehensive income, net of tax	$ 148	$ (1,547)	$ 153	$ (1,165)	$ 3	$ 1,879	$ (1,246)	$ 718
Interest rate swap agreement
Derivative Instruments, Gain (Loss) [Line Items]
Net interest income recognized as a result of interest rate swap	(895)			(556)			(2,676)	(869)
Unrealized gain (loss) in fair value of interest rate swap	1,093			(1,013)			1,021	1,837
Net increase (decrease) in accumulated other comprehensive income	198			(1,569)			(1,655)	968
Income tax effect	50			(404)			(409)	250
Net increase (decrease) in accumulated other comprehensive income, net of tax	$ 148			$ (1,165)			$ (1,246)	$ 718

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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