Employee Benefit Plans (Components of Net Periodic Post Retirement Benefit Cost) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Postemployment Benefits [Abstract]
Service cost for benefits earned during the period	$ 1,188	$ 1,326	$ 1,401
Interest cost on accumulated postretirement benefit	1,469	1,148	908
Other components	11	68	212
Total other components of net periodic benefit costs	1,458	1,216	1,120
Net periodic postretirement benefit cost	$ 2,646	$ 2,542	$ 2,521