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Income Taxes (Details) (USD $) In Thousands | Sep. 30, 2011 | Sep. 30, 2010
--- | --- | ---
Net deferred tax asset (liability) | $ (17,075) | $ (21,951)
Deferred tax assets |  |
Loan loss reserves | 56,930 | 59,936
REO reserves | 41,268 | 32,986
Asset Purchase Tax Basis Difference (net) | 27,068 | 22,738
Delinquent accrued interest | 7,380 | 4,060
Other, net | 1,236 | 1,361
Total deferred tax assets | 133,882 | 121,081
Deferred tax liabilities |  |
FDIC Loss Guarantee Receivable (net) | 24,973 | 40,444
Federal Home Loan Bank stock dividends | 36,161 | 36,158
Valuation adjustment on available-for-sale securities | 49,845 | 28,866
Loan origination costs | 13,098 | 13,183
Depreciation | 24,751 | 21,578
Deferred gain on forward commitments | 890 | 1,225
Core deposit intangible | 1,239 | 1,578
Total deferred tax liabilities | 150,957 | 143,032
Current tax asset (liability) | 15,540 | 30,044
Net tax asset (liability) | $ (1,535) | $ 8,093

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- Definition The aggregate tax effects as of the balance sheet date of all future tax deductions arising from temporary differences between tax basis and generally accepted accounting principles basis recognition of assets, liabilities, revenues and expenses, which can only be deducted for tax purposes when permitted under enacted tax laws; net of deducting the allocated valuation allowance, if any, to reduce such amount to net realizable value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b),(c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax effects arising from all other reserves, which can only be deducted for tax purposes when losses pertaining to such reserves are actually incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6969291&loc=d3e28680-109314 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43 -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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 11 -Subparagraph b -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 + Details
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