Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Balances and changes in components of accumulated other comprehensive loss [Roll Forward]
Balance	$ 159,983	$ 138,736	$ 149,584	$ 128,805
Other comprehensive loss before reclassification	(9,732)	(3,886)	(12,304)	(4,084)
Total other comprehensive loss, net of taxes	(9,732)	(3,886)	(12,304)	(4,084)
Balance	156,932	139,087	156,932	139,087
Accumulated Other Comprehensive Loss [Member]
Balances and changes in components of accumulated other comprehensive loss [Roll Forward]
Balance	(3,733)	(626)	(1,161)	(428)
Total other comprehensive loss, net of taxes	(9,732)	(3,886)	(12,304)	(4,084)
Balance	(13,465)	(4,512)	(13,465)	(4,512)
Unrealized Gain (Losses) on Securities Available-for-sale [Member]
Balances and changes in components of accumulated other comprehensive loss [Roll Forward]
Balance	(2,224)	1,552	348	1,750
Other comprehensive loss before reclassification	(9,732)	(3,886)	(12,304)	(4,084)
Total other comprehensive loss, net of taxes	(9,732)	(3,886)	(12,304)	(4,084)
Balance	(11,956)	(2,334)	(11,956)	(2,334)
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)