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Net Income Per Common Share (Details) - shares	Jun. 30, 2017	Sep. 30, 2016
Earnings Per Share [Abstract]
ESOP, number of suspense shares (in shares)	79,032	111,500

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- References

No definition available.

+ Details

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- Definition

Shares contributed to the ESOP that have not yet been released, committed to be released, or allocated to participant accounts. Suspense shares generally collateralize ESOP debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 40
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=65895303&loc=d3e17540-113929

+ Details

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