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Income Taxes (Details) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2012 | Sep. 30, 2011
--- | --- | ---
Net deferred tax asset (liability) | $ 8,449 | $ (17,075)
Deferred tax assets |  |
Loan loss reserves | 48,932 | 56,930
REO reserves | 24,003 | 41,268
Asset Purchase Tax Basis Difference (net) | 29,165 | 27,068
Delinquent accrued interest | 5,932 | 7,380
Other, net | 958 | 1,236
Total deferred tax assets | 108,990 | 133,882
Deferred tax liabilities |  |
FDIC Loss Guarantee Receivable (net) | 21,050 | 24,973
Federal Home Loan Bank stock dividends | 35,557 | 36,161
Valuation adjustment on available-for-sale securities | 7,731 | 49,845
Loan origination costs | 12,670 | 13,098
Depreciation | 22,313 | 24,751
Deferred gain on forward commitments | 0 | 890
Core deposit intangible | 1,220 | 1,239
Total deferred tax liabilities | 100,541 | 150,957
Current tax asset (liability) | 14,064 | 15,540
Net tax asset (liability) | $ 22,513 | $ (1,535)

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