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Loans Receivable (Troubled debt restructurings, Rolling Twelve Months) (Details) $ in Thousands | 12 Months Ended
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Sep. 30, 2017 USD ($) number | Sep. 30, 2016 USD ($) number
Mortgage Loan [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | number | 28 | 23
Recored Investment | $ | $ 2,663 | $ 3,437
Commercial Loan [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | number | 8 | 2
Recored Investment | $ | $ 868 | $ 157
Consumer Loan [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | number | 22 | 7
Recored Investment | $ | $ 248 | $ 68
Auto [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Contracts | number | 0 | 0
Recored Investment | $ | $ 0 | $ 0

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- Definition [2012] Number of financing receivables that have been modified by troubled debt restructurings for the past twelve months. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Recorded Investment -URI http://asc.fasb.org/extlink&oid=65880944 + Details
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- Details
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- Details
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