Employee Benefit Plans, Components of Net Periodic Pension Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Components of Net Periodic Pension Costs [Abstract]
Interest cost	$ 215	$ 219
Accumulated benefit obligation for the pension plan	5,900	5,400
Defined Benefit Plan [Member]
Components of Net Periodic Pension Costs [Abstract]
Interest cost	215	219
Expected return on plan assets	(235)	(247)
Amortization of net loss	139	168
Net periodic pension expense	$ 119	$ 140