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Note 10 - Income Taxes Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Components of Deferred Tax Assets [Abstract] |  |
Accrued expenses | $ 11,642 | $ 17,487
Unearned premiums | 34,394 | 34,686
Differences in fair value of financial instruments | 0 | 1,115
Net unrealized loss on investments | 0 | 16,297
State income taxes | 65,917 | 67,069
Loss reserves | 1,920 | 1,044
Goodwill and intangibles | 36,282 | 35,068
Deferred policy acquisition and ceding commission costs | 11,190 | 15,288
Share-based compensation | 11,238 | 10,776
Lease liability | 13,293 | 0
Other | 11,188 | 13,091
Total deferred tax assets | 197,064 | 211,921
Components of Deferred Tax Liabilities [Abstract] |  |
Differences in fair value of financial instruments | 5,708 | 0
Net unrealized gain on investments | 29,303 | 0
Depreciation | 12,803 | 12,201
Contingency reserve | 137,983 | 0
Other | 15,914 | 3,581
Total deferred tax liabilities | 201,711 | 15,782
Less: Valuation allowance | 66,437 | 64,496
Net deferred tax asset (liability) | (71,084) |
Net deferred tax asset (liability) | $ 0 | $ 131,643

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