Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Balances and changes in components of accumulated other comprehensive loss [Roll Forward]
Balance	$ 159,586	$ 154,836	$ 157,714	$ 149,584
Amounts reclassified to net loss on sale of available-for-sale securities non-interest income	251	0	251	0
Tax expense effect	67	0	67	0
Reclassification adjustment for loss on sale of available-for-sale securities realized in net income, net	184	0	184	0
Total other comprehensive income (loss), net of taxes	1,975	(1,218)	(4,643)	(2,572)
Balance	168,207	159,983	168,207	159,983
Accumulated Other Comprehensive Loss [Member]
Balances and changes in components of accumulated other comprehensive loss [Roll Forward]
Balance	(25,001)	(2,515)	(18,383)	(1,161)
Other comprehensive income (loss) before reclassification	1,791	(1,218)	(4,827)	(2,572)
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	1,975	(1,218)	(4,643)	(2,572)
Balance	(23,026)	(3,733)	(23,026)	(3,733)
Unrealized Gain (Losses) on Securities Available-for-sale [Member]
Balances and changes in components of accumulated other comprehensive loss [Roll Forward]
Balance	(23,886)	(1,006)	(17,268)	348
Other comprehensive income (loss) before reclassification	1,791	(1,218)	(4,827)	(2,572)
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	1,975	(1,218)	(4,643)	(2,572)
Balance	(21,911)	(2,224)	(21,911)	(2,224)
Pension Benefits [Member]
Balances and changes in components of accumulated other comprehensive loss [Roll Forward]
Balance	(1,115)	(1,509)	(1,115)	(1,509)
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	$ (1,115)	$ (1,509)	$ (1,115)	$ (1,509)