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Employee Stock Ownership and 401(k) Plan ("KSOP") (Details) (USD $) | 1 Months Ended | 12 Months Ended | 72 Months Ended |
--- | --- | --- | --- | ---
Jan. 31, 2008 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Jan. 31, 1998
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] |  |  |  |  |  |
ESOP shares earned, net of tax |  | $ (328,000) | $ (271,000) | $ (199,000) |  |
KSOP |  |  |  |  |  |
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] |  |  |  |  |  |
Number of components in KSOP |  | 2 |  |  |  |
Required service period |  | 1 year |  |  |  |
Employee minimum age requirement |  | 21 years |  |  |  |
Award vesting period |  | 6 years |  |  |  |
ESOP |  |  |  |  |  |
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] |  |  |  |  |  |
Dividends used for debt service |  | 120,000 | 0 | 0 |  |
ESOP, shares distributed to participants |  |  |  |  | 335,187 |
ESOP, loan borrowed from employer |  |  |  |  |  | 7,930,000
ESOP, shares purchased for plan | 1,058,000 |  |  |  |  |
ESOP, interest rate on employer loan |  | 8.50% |  |  |  |
ESOP, interest expense on employer loan |  | 206,000 | 237,000 | 266,000 |  |
ESOP, amount outstanding on employer loan |  | 2,183,000 |  |  |  |
ESOP, fair value of unallocated shares |  | 1,673,000 | 1,746,000 | 1,375,000 | 1,746,000 |
ESOP shares earned, net of tax |  | 242,000 | 202,000 | 165,000 |  |
401(k) |  |  |  |  |  |
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] |  |  |  |  |  |
401(k), employer safe harbor contribution (percent) |  | 3.00% |  |  |  |
401(k), employer contributions |  | $ 302,000 | $ 289,000 | $ 283,000 |  |

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- Definition Employee Stock Ownership Plan (ESOP), Debt Structure, Employer Loan, Amount + References No definition available. + Details
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- Definition Employee Stock Ownership Plan (ESOP), Debt Structure, Employer Loan, Amount Outstanding + References No definition available. + Details
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- Definition Employee Stock Ownership Plan (ESOP), Debt Structure, Employer Loan, Interest Expense + References No definition available. + Details
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- Definition Employee Stock Ownership Plan (ESOP), Debt Structure, Employer Loan, Interest Rate + References No definition available. + Details
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- Definition Employee Stock Ownership Plan (ESOP), Shares Distributed to Participants + References No definition available. + Details
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- Definition Number of Components to Postretirement Plan + References No definition available. + Details
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- Definition Share-based Compensation Arrangment by Share-based Payment Award, Employee Minimum Age Requirement + References No definition available. + Details
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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition The amount of plan compensation cost recognized during the period. + 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 (c) -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 + Details
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- Definition The amount of cash provided by the employer through contributions or dividends that the ESOP used in the period to repay debt and interest on a third-party loan made directly to the ESOP. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 25 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6418455&loc=d3e16545-113920 + Details
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- Definition The fair value of shares held by the ESOP as of the balance sheet date in which no ESOP participant has a vested interest and no lender has a claim. The fair value of an ESOP share is the amount the seller could reasonably expect to receive for it in a current sale between a willing buyer and a willing seller, that is, other than in a forced or liquidation sale, which would be the market price of the stock if it is publicly traded. + 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 (e) -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 + Details
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- Details
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- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares purchased on the open market during the period for issuance to employees under the plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 + Details
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