Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Balances and changes in components of accumulated other comprehensive loss [Roll Forward]
Balance	$ 184,168	$ 159,586	$ 183,283	$ 157,714
Amounts reclassified to net loss on sale of available-for-sale securities non-interest income	0	251	0	251
Tax expense effect	0	67	0	67
Reclassification adjustment for loss on sale of available-for-sale securities realized in net income, net	0	184	0	184
Total other comprehensive income (loss), net of taxes	6,050	1,975	2,338	(4,643)
Balance	195,296	168,207	195,296	168,207
Accumulated Other Comprehensive Loss [Member]
Balances and changes in components of accumulated other comprehensive loss [Roll Forward]
Balance	(25,120)	(25,001)	(21,408)	(18,383)
Other comprehensive income (loss) before reclassification	6,050	1,791	2,338	(4,827)
Amounts reclassified to net loss on sale of available-for-sale securities non-interest income		251		251
Tax expense effect		67		67
Reclassification adjustment for loss on sale of available-for-sale securities realized in net income, net		184		184
Total other comprehensive income (loss), net of taxes	6,050	1,975	2,338	(4,643)
Balance	(19,070)	(23,026)	(19,070)	(23,026)
Unrealized Losses on Securities Available-for-sale [Member]
Balances and changes in components of accumulated other comprehensive loss [Roll Forward]
Balance	(24,243)	(23,886)	(20,531)	(17,268)
Other comprehensive income (loss) before reclassification	6,050	1,791	2,338	(4,827)
Amounts reclassified to net loss on sale of available-for-sale securities non-interest income		251		251
Tax expense effect		67		67
Reclassification adjustment for loss on sale of available-for-sale securities realized in net income, net		184		184
Total other comprehensive income (loss), net of taxes	6,050	1,975	2,338	(4,643)
Balance	(18,193)	(21,911)	(18,193)	(21,911)
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		0
Tax expense effect		0		0
Reclassification adjustment for loss on sale of available-for-sale securities realized in net income, net		0		0
Total other comprehensive income (loss), net of taxes	0	0	0	0
Balance	$ (877)	$ (1,115)	$ (877)	$ (1,115)