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Income Taxes (Details 3) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Deferred tax assets: |  |
Loans receivable, principally due to the allowance for probable loan losses | $ 24,323 | $ 34,035
Other real estate owned | 3,919 | 3,774
Impairment charges on available-for-sale securities | 3,611 | 3,288
Accrued expenses | 137 | 514
Other | 5,549 | 5,189
Total deferred tax assets | 37,539 | 46,800
Deferred tax liabilities: |  |
Bank premises and equipment, principally due to differences on depreciation | (21,529) | (23,313)
Net unrealized gains on available for sale investment securities | (36,156) | (47,252)
Identified intangible assets and goodwill | (18,133) | (18,430)
Other | (10,182) | (9,439)
Total deferred tax liabilities | (86,000) | (98,434)
Net deferred tax liability | $ (48,461) | $ (51,634)

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