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Employee Stock Ownership Plan (Schedule of ESOP Shares) (Details) - Employee Stock Ownership Plan [Member] - USD ($)
Jun. 30, 2019
Jun. 30, 2018
ESOP share allocation    
Allocated shares 454,943 459,032
Unreleased shares 14,166 29,166
Total shares held by the ESOP 469,109 488,198
Fair value of unreleased shares $ 350,609 $ 782,524