Employee Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Jun. 30, 2021
Defined Benefit Plan [Member]
Components of Net Periodic Pension Costs [Abstract]
Interest cost	$ 42	$ 41	$ 84	$ 82
Expected return on plan assets	(70)	(64)	(140)	(127)
Amortization of net loss	32	52	64	104
Net periodic pension cost	4	29	8	59
Supplemental Executive Retirement Plan [Member]
Components of Net Periodic Pension Costs [Abstract]
Net periodic pension cost	329	$ 270	643	$ 526
Postemployment benefits liability	$ 9,200		$ 9,200		$ 8,200