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Employee Benefit Plans, Change in Benefit Obligation (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Employee Benefit Plans [Abstract]    
Required age to participate in defined Benefit Plan 21 years  
Benefit obligation at beginning of period $ 5,867 $ 6,171
Interest cost 219 215
Actuarial loss (250) (298)
Benefits paid (426) (221)
Benefit obligation at June 30 $ 5,410 $ 5,867