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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, 2013 | Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2013 | Jan. 31, 1998
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] |  |  |  |  |  |
ESOP shares earned |  | $ (271,000) | $ (199,000) | $ (203,000) |  |
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 |  | 72,000 | 0 | 0 |  |
ESOP, shares distributed to participants |  |  |  |  | 271,564 |
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 |  | 237,000 | 266,000 | 291,000 |  |
ESOP, amount outstanding on employer loan |  | 2,566,000 |  |  | 2,566,000 |
ESOP, fair value of unallocated shares |  | 1,746,000 | 1,375,000 | 1,069,000 | 1,746,000 |
ESOP shares earned |  | 202,000 | 165,000 | 172,000 |  |
401(k) |  |  |  |  |  |
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] |  |  |  |  |  |
401(k), employer safe harbor contribution (percent) |  | 3.00% |  |  |  |
401(k), employer contributions |  | $ 289,000 | $ 283,000 | $ 290,000 |  |

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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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 93-6 -Paragraph 53 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 93-6 -Paragraph 25 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 93-6 -Paragraph 53 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + 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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64, 65 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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