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Note 12 - Income Taxes (Details) - Deferred Tax Assets and Liabilities (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
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Deferred Tax Assets |  |
Loan loss allowance, due to differences in computation of bad debts | $ 89,560 | $ 100,774
Write-down on equity securities and venture capital investments | 2,857 | 3,374
Share-based compensation | 13,573 | 16,120
State tax | 6,493 | 4,479
Non-accrual interest | 3,968 | 3,208
Write-down on other real estate owned | 8,595 | 10,302
Accrual for bonuses | 3,380 | 432
Accrual for litigation | 2,415 | 2,415
Unrealized loss on interest rate swaps |  | 175
Unrealized loss on securities available-for-sale, net | 21,569 |
Other, net | 4,214 | 2,937
Gross deferred tax assets | 156,624 | 144,216
Deferred Tax Liabilities |  |
Core deposit intangibles |  | (1,632)
Investment in aircraft financing trust and venture capital partnerships |  | (19,684)
Unrealized gain on securities available-for-sale, net |  | (338)
Basis difference in acquired assets | (3,138) | (3,145)
Dividends on Federal Home Loan Bank common stock | (2,986) | (3,071)
Other, net | (2,773) | (1,939)
Gross deferred tax liabilities | (8,897) | (29,809)
Valuation allowance | (1,263) | (2,125)
Net deferred tax assets | $ 146,464 | $ 112,282

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