Employee Benefit Plans (Components of net periodic benefit costs post retirement benefits) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Postemployment Benefits [Abstract]
Service cost for benefits earned during the period	$ 245	$ 297
Other components of net periodic benefit costs:
Interest cost on accumulated postretirement benefit	375	367
Other components	3	2
Total other components of net periodic benefit costs	372	365
Net periodic postretirement benefit cost	$ 617	$ 662