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Loans Receivable - Troubled Debt Restructurings (Details) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2015 USD ($) contract | Dec. 31, 2014 USD ($) contract
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Contracts | contract | 8 | 40
Pre-Modification Outstanding Recorded Investment | $ 1,694 | $ 10,935
Troubled debt restructuring, amount | $ 1,694 | $ 10,935
Single-family residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Contracts | contract | 3 | 35
Pre-Modification Outstanding Recorded Investment | $ 729 | $ 9,600
Troubled debt restructuring, amount | $ 729 | $ 9,600
Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Contracts | contract | 0 | 2
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 718
Troubled debt restructuring, amount | $ 0 | $ 718
Land - consumer lot loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Contracts | contract | 0 | 2
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 532
Troubled debt restructuring, amount | $ 0 | $ 532
Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Contracts | contract | 5 | 0
Pre-Modification Outstanding Recorded Investment | $ 965 | $ 0
Troubled debt restructuring, amount | $ 965 | $ 0
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Contracts | contract | 0 | 1
Pre-Modification Outstanding Recorded Investment | $ 0 | $ 85
Troubled debt restructuring, amount | $ 0 | $ 85

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- Definition Number of 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 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953676-111524 + Details
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