Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Balances and changes in components of accumulated other comprehensive loss [Roll Forward]
Balance	$ 154,836	$ 133,022	$ 149,584	$ 128,805
Other comprehensive loss before reclassification	(1,218)	(8)	(2,572)	(198)
Total other comprehensive loss, net of taxes	(1,218)	(8)	(2,572)	(198)
Balance	159,983	138,736	159,983	138,736
Accumulated Other Comprehensive Loss [Member]
Balances and changes in components of accumulated other comprehensive loss [Roll Forward]
Balance	(2,515)	(618)	(1,161)	(428)
Total other comprehensive loss, net of taxes	(1,218)	(8)	(2,572)	(198)
Balance	(3,733)	(626)	(3,733)	(626)
Unrealized Gain (Losses) on Securities Available-for-sale [Member]
Balances and changes in components of accumulated other comprehensive loss [Roll Forward]
Balance	(1,006)	1,560	348	1,750
Other comprehensive loss before reclassification	(1,218)	(8)	(2,572)	(198)
Total other comprehensive loss, net of taxes	(1,218)	(8)	(2,572)	(198)
Balance	(2,224)	1,552	(2,224)	1,552
Pension Benefits [Member]
Balances and changes in components of accumulated other comprehensive loss [Roll Forward]
Balance	(1,509)	(2,178)	(1,509)	(2,178)
Other comprehensive loss before reclassification	0	0	0	0
Total other comprehensive loss, net of taxes	0	0	0	0
Balance	$ (1,509)	$ (2,178)	$ (1,509)	$ (2,178)