v2.4.0.6

Consolidated Statements of Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Other Comprehensive Income [Abstract] |  |  |
Unrealized gains on available-for-sale securities, taxes | $ (1,256) | $ (3,206) | $ 855
Other Comprehensive Income Loss Reclassification Adjustment For Sale Or Writedown Of Securities Included In Net Income Tax | 364 | 189 | 212
Other Than Temporary Impairment Losses recognized in earnings, tax | 0 | (345) | (553)
Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent, Available-for-sale Securities | $ 0 | $ 31 | $ 1,103

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