Benefit Plans 6 (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
Defined Benefit Plan Asset Information
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage	100.00%
Fair value of plan assets	$ 8,474	$ 7,702
Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Asset Information
Fair value of plan assets	5,441	6,226
Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Asset Information
Fair value of plan assets	3,033	1,337
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Asset Information
Fair value of plan assets	$ 0	$ 139
Minimum [Member] | Equity Securities [Member]
Defined Benefit Plan Asset Information
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage	40.00%
Minimum [Member] | Debt Securities [Member]
Defined Benefit Plan Asset Information
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage	20.00%
Minimum [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Asset Information
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage	0.00%
Maximum [Member] | Equity Securities [Member]
Defined Benefit Plan Asset Information
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage	70.00%
Maximum [Member] | Debt Securities [Member]
Defined Benefit Plan Asset Information
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage	50.00%
Maximum [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Asset Information
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage	20.00%