Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Accumulated Other Comprehensive Loss, Available-for-sale Securities Adjustment, Net of Tax			$ (12,215)	$ (6,662)
Other comprehensive loss, net of taxes	$ (2,306)	$ (3,444)	(3,099)	(7,058)
Accumulated Other Comprehensive Loss, Available-for-sale Securities Adjustment, Net of Tax	$ (15,314)	$ (13,720)	$ (15,314)	$ (13,720)