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Note D - Loans Receivable (excluding Covered Loans) Loans Receivable, Analysis of Age of Loans in Past Due Status (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended
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Jun. 30, 2011 | Jun. 30, 2010
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | $ 8,221,756 |
Current | 7,920,550 |
30 Days | 63,648 |
60 Days | 71,625 |
90 Days | 165,933 |
Total | 301,206 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 3.66% |
Residential Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 6,279,633 |
Current | 6,063,988 |
30 Days | 48,811 |
60 Days | 37,563 |
90 Days | 129,271 |
Total | 215,645 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 3.43% | 3.09%
Construction, Speculative [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 115,271 |
Current | 101,797 |
30 Days | 1,372 |
60 Days | 1,546 |
90 Days | 10,556 |
Total | 13,474 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 11.69% |
Construction, Custom [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 147,339 |
Current | 146,704 |
30 Days | 635 |
60 Days | 0 |
90 Days | 0 |
Total | 635 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.43% |
Land, Acquisition and Development [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 221,967 |
Current | 182,912 |
30 Days | 7,756 |
60 Days | 17,888 |
90 Days | 13,411 |
Total | 39,055 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 17.59% |
Land, Consumer Lot Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 169,714 |
Current | 161,206 |
30 Days | 1,538 |
60 Days | 822 |
90 Days | 6,148 |
Total | 8,508 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 5.01% |
Multi Family Housing [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 715,875 |
Current | 705,930 |
30 Days | 292 |
60 Days | 7,310 |
90 Days | 2,343 |
Total | 9,945 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 1.39% |
Commercial Real Estate Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 302,142 |
Current | 291,692 |
30 Days | 1,546 |
60 Days | 5,702 |
90 Days | 3,202 |
Total | 10,450 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 3.46% |
Commercial and Industrial Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 82,078 |
Current | 81,784 |
30 Days | 140 |
60 Days | 26 |
90 Days | 128 |
Total | 294 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.36% |
Home Equity Line of Credit [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 114,676 |
Current | 113,603 |
30 Days | 216 |
60 Days | 267 |
90 Days | 590 |
Total | 1,073 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 0.94% |
Consumer Portfolio Segment [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amount of Loan, Net of Charge-Offs and LIP | 73,061 |
Current | 70,934 |
30 Days | 1,342 |
60 Days | 501 |
90 Days | 284 |
Total | $ 2,127 |
Ratio of past due loans to total loans, net of charge-offs and LIPs | 2.91% |

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