Consolidated Balance Sheets (Parenthetical) - $ / shares	Sep. 30, 2016	Sep. 30, 2015
Common Class A Non-Voting, Subject to Possible Redemption
Temporary equity:
Common stock, redemption price (usd per share)	$ 10.06	$ 10.06
Common stock, shares issued (shares)	0	1,168,456
Common stock, shares outstanding (shares)	0	1,168,456
Common Stock Class A Non-Voting
Stockholders’ equity:
Common stock, par value (usd per share)	$ 0.01	$ 0.01
Common Stock authorized (shares)	100,000,000	100,000,000
Common Stock, shares issued (shares)	51,129,144	50,726,289
Common Stock, shares outstanding (shares)	51,129,144	50,726,289
Common Stock Class B Voting
Stockholders’ equity:
Common stock, par value (usd per share)	$ 0.01	$ 0.01
Common Stock authorized (shares)	3,000,000	3,000,000
Common Stock, shares issued (shares)	2,970,171	2,970,171
Common Stock, shares outstanding (shares)	2,970,171	2,970,171

Face amount or stated value per share of common stock.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-Publisher FASB
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Amount to be paid per share that is classified as temporary equity by entity upon redemption. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=65877616&loc=d3e177068-122764

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