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Note 11 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Deferred Tax Assets |  |
Loan loss allowance, due to differences in computation of bad debts | $ 51,192 | $ 59,639
Share-based compensation | 4,729 | 7,513
Accrual for bonuses | 6,095 | 4,984
Non-accrual interest | 4,246 | 4,929
Accrual for litigation |  | 3,209
Write-down on equity securities and venture capital investments | 4,437 | 3,981
Depreciation and amortization | 8,334 | 2,917
State tax | 6,426 | 4,802
Unrealized loss on interest rate swaps | 1,763 | 2,173
Unrealized loss on securities available-for-sale, net | 1,121 | 3,940
Other, net | 3,598 | 2,127
Gross deferred tax assets | 91,941 | 100,214
Deferred Tax Liabilities |  |
Deferred loan costs | (8,695) |
Investment in affordable housing partnerships | (2,659) | (1,444)
Basis difference in acquired assets | (4,841) | (4,947)
Dividends on Federal Home Loan Bank common stock | (1,322) | (1,322)
Other, net | (3,228) | (1,937)
Gross deferred tax liabilities | (20,745) | (9,650)
Net deferred tax assets | $ 71,196 | $ 90,564

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