Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Balances and changes in components of accumulated other comprehensive loss [Roll Forward]
Balance	$ 195,296	$ 168,207	$ 183,283	$ 157,714
Amounts reclassified to net loss on sale of available-for-sale securities non-interest income	0	0	0	251
Tax expense effect	0	0	0	67
Reclassification adjustment for loss on sale of available-for-sale securities realized in net income, net	0	0	0	184
Total other comprehensive (loss) income, net of taxes	(1,347)	2,927	991	(1,716)
Balance	199,185	178,678	199,185	178,678
Accumulated Other Comprehensive Loss [Member]
Balances and changes in components of accumulated other comprehensive loss [Roll Forward]
Balance	(19,070)	(23,026)	(21,408)	(18,383)
Other comprehensive income (loss) before reclassification	(1,347)	2,927	991	(1,900)
Amounts reclassified to net loss on sale of available-for-sale securities non-interest income				251
Tax expense effect				67
Reclassification adjustment for loss on sale of available-for-sale securities realized in net income, net				184
Total other comprehensive (loss) income, net of taxes	(1,347)	2,927	991	(1,716)
Balance	(20,417)	(20,099)	(20,417)	(20,099)
Unrealized Losses on Securities Available-for-sale [Member]
Balances and changes in components of accumulated other comprehensive loss [Roll Forward]
Balance	(18,193)	(21,911)	(20,531)	(17,268)
Other comprehensive income (loss) before reclassification	(1,347)	2,927	991	(1,900)
Amounts reclassified to net loss on sale of available-for-sale securities non-interest income				251
Tax expense effect				67
Reclassification adjustment for loss on sale of available-for-sale securities realized in net income, net				184
Total other comprehensive (loss) income, net of taxes	(1,347)	2,927	991	(1,716)
Balance	(19,540)	(18,984)	(19,540)	(18,984)
Pension Benefits [Member]
Balances and changes in components of accumulated other comprehensive loss [Roll Forward]
Balance	(877)	(1,115)	(877)	(1,115)
Other comprehensive income (loss) before reclassification	0	0	0	0
Amounts reclassified to net loss on sale of available-for-sale securities non-interest income				0
Tax expense effect				0
Reclassification adjustment for loss on sale of available-for-sale securities realized in net income, net				0
Total other comprehensive (loss) income, net of taxes	0	0	0	0
Balance	$ (877)	$ (1,115)	$ (877)	$ (1,115)