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Earnings Per Share (Details) - shares
3 Months Ended 6 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Details        
Number of unallocated ESOP shares 49,266 73,899 49,266 73,899
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 59,000 220,000 59,000 223,000