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Loans Receivable (excluding Covered Loans) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2011 | Sep. 30, 2010 | Mar. 31, 2011 | Sep. 30, 2009
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | $ 8,299,074 | $ 8,777,106 |  |
Ratio of type of loan to total loans receivable | 100.00% | 100.00% |  |
Allowance for probable losses | 157,160 | 163,094 | 163,094 | 166,836
Loans in process | 170,229 | 154,171 |  |
Deferred origination fees | 35,808 | 36,138 |  |
Charges against loans receivable | 363,197 | 353,403 |  |
Loans receivable, net | 7,935,877 | 8,423,703 |  |
Single Family Residential [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 6,218,878 | 6,551,837 |  |
Ratio of type of loan to total loans receivable | 74.90% | 74.80% |  |
Construction, Speculative [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 140,459 | 169,712 |  |
Ratio of type of loan to total loans receivable | 1.70% | 1.90% |  |
Allowance for probable losses | 13,828 | 26,346 | 26,346 | 21,841
Construction, Custom [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 279,851 | 256,384 |  |
Ratio of type of loan to total loans receivable | 3.40% | 2.90% |  |
Allowance for probable losses | 623 | 770 | 770 | 81
Land, Acquisition and Development [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 200,692 | 307,230 |  |
Ratio of type of loan to total loans receivable | 2.40% | 3.50% |  |
Allowance for probable losses | 32,719 | 61,637 | 61,637 | 104,569
Land, Consumer Lot Loans [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 163,146 | 186,840 |  |
Ratio of type of loan to total loans receivable | 2.00% | 2.10% |  |
Allowance for probable losses | 5,520 | 4,793 | 4,793 | 1,298
Multi Family Housing [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 700,673 | 697,351 |  |
Ratio of type of loan to total loans receivable | 8.40% | 7.90% |  |
Allowance for probable losses | 7,623 | 5,050 | 5,050 | 1,878
Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 303,442 | 315,915 |  |
Ratio of type of loan to total loans receivable | 3.70% | 3.60% |  |
Allowance for probable losses | 4,331 | 3,165 | 3,165 | 1,344
Commercial and Industrial Loans [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 109,332 | 83,070 |  |
Ratio of type of loan to total loans receivable | 1.30% | 0.90% |  |
Allowance for probable losses | 5,099 | 6,193 | 6,193 | 7,327
Home Equity Line of Credit [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 115,092 | 116,143 |  |
Ratio of type of loan to total loans receivable | 1.40% | 1.30% |  |
Allowance for probable losses | 1,139 | 586 | 586 | 377
Consumer Portfolio Segment [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans receivable, gross | 67,509 | 92,624 |  |
Ratio of type of loan to total loans receivable | 0.80% | 1.10% |  |
Allowance for probable losses | $ 2,971 | $ 7,394 | $ 7,394 | $ 9,574

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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953423-111524 -Subparagraph (c)(1) + Details
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- Definition Reflects the aggregate gross carrying amount of all categories of loans and leases held in portfolio, prior to deducting deferred income and the allowance for losses on loans and leases. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 13 -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6375948&loc=d3e4428-111522 + Details
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- Definition The undisbursed portion of the loan receivable balance (loans in process) which is deducted separately from total loans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Subsection I -Paragraph 8 -Subparagraph g -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. + Details
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