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Income Taxes (Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Deferred tax assets: |  |
20% of net unearned premium | $ 68,586 | $ 66,353
Discounting of loss reserves and salvage and subrogation recoverable for tax purposes | 12,810 | 15,019
Write-down of impaired investments | 1,714 | 1,723
Tax credit carryforward | 40,309 | 37,557
Expense accruals | 12,497 | 10,910
Other deferred tax assets | 5,653 | 4,860
Total gross deferred tax assets | 141,569 | 136,422
Deferred tax liabilities: |  |
Deferred acquisition costs | (68,063) | (65,069)
Tax liability on net unrealized gain on securities carried at fair value | (33,964) | (48,483)
Tax depreciation in excess of book depreciation | (9,667) | (10,191)
Undistributed earnings of insurance subsidiaries | (4,024) | (4,499)
Tax amortization in excess of book amortization | (1,447) | (914)
Other deferred tax liabilities | (9,184) | (7,711)
Total gross deferred tax liabilities | (126,349) | (136,867)
Net deferred tax assets (liabilities) | $ 15,220 | $ (445)

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