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Loans Receivable (excluding Covered Loans) - Loans on Non-accrual Status (Details) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Sep. 30, 2013
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans by portfolio segment | $ 87,431 | $ 131,299
Ratio of nonaccrual loan by portfolio segment to total loans on nonaccrual status | 100.00% | 100.00%
Single-family residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans by portfolio segment | 74,067 | 100,460
Ratio of nonaccrual loan by portfolio segment to total loans on nonaccrual status | 84.80% | 76.50%
Construction - speculative |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans by portfolio segment | 1,477 | 4,560
Ratio of nonaccrual loan by portfolio segment to total loans on nonaccrual status | 1.70% | 3.50%
Construction - custom |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans by portfolio segment | 0 | 0
Ratio of nonaccrual loan by portfolio segment to total loans on nonaccrual status | 0.00% | 0.00%
Land - acquisition & development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans by portfolio segment | 811 | 2,903
Ratio of nonaccrual loan by portfolio segment to total loans on nonaccrual status | 0.90% | 2.20%
Land - consumer lot loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans by portfolio segment | 2,637 | 3,337
Ratio of nonaccrual loan by portfolio segment to total loans on nonaccrual status | 3.00% | 2.50%
Multi-family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans by portfolio segment | 1,742 | 6,573
Ratio of nonaccrual loan by portfolio segment to total loans on nonaccrual status | 2.00% | 5.00%
Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans by portfolio segment | 5,106 | 11,736
Ratio of nonaccrual loan by portfolio segment to total loans on nonaccrual status | 5.80% | 8.90%
Commercial & industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans by portfolio segment | 7 | 477
Ratio of nonaccrual loan by portfolio segment to total loans on nonaccrual status | 0.00% | 0.40%
HELOC |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans by portfolio segment | 795 | 263
Ratio of nonaccrual loan by portfolio segment to total loans on nonaccrual status | 0.90% | 0.20%
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual loans by portfolio segment | $ 789 | $ 990
Ratio of nonaccrual loan by portfolio segment to total loans on nonaccrual status | 0.90% | 0.80%

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- Definition Reflects the carrying amount of loans deemed to be questionable as to collection on which no interest is continuing to be recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5111-111524 + Details
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- Definition Loans and Leases Receivable, Ratio of Type of Nonperforming Loans to All Nonperforming Loans + References No definition available. + Details
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