Changes in and Reclassifications Out of Accumulated Other Comprehensive Loss - Changes in AOCL (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Accumulated Other Comprehensive Loss
Beginning balance	$ 160,745	$ 192,326
Amounts reclassified from accumulated other comprehensive loss	0	0
Period change	(4,587)	(7,750)
Ending balance	$ 136,394	$ 181,194
Income tax rate	23.00%	23.00%
Unrealized Losses on Securities Available for Sale
Accumulated Other Comprehensive Loss
Beginning balance	$ (23,378)	$ (15,357)
Other comprehensive loss before reclassifications	(4,587)	(7,750)
Period change	(4,587)	(7,750)
Ending balance	$ (27,965)	$ (23,107)