Consolidated Statements Of Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2012	Mar. 31, 2011
Consolidated Statements Of Comprehensive Income [Abstract]
Non-credit related other-than-temporary impairment on available for sale debt securities	$ 282	$ 600
Non-credit related other-than-temporary impairment on available for sale debt securities, deferred tax	107	228
Net unrealized gain on available for sale debt securities	811	312
Net unrealized gain on available for sale debt securities, deferred tax	308	118
Reclassification adjustment for net realized gains included in net income	$ 1,165	$ 1,628

Reclassification adjustment for unrealized gains or losses realized upon the sale of securities, after tax.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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+ Details

- Definition

Gross appreciation or the gross loss in value of the total of unsold available-for-sale securities during the period being reported (except when designated as a fair value hedge).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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+ Details

- Definition

Tax effect on gross appreciation or the gross loss in value of the total of unsold securities during the period being reported on.

+ References+ Details

- Definition

The tax effect related to other than temporary impairment (OTTI) loss on a debt security, categorized as Available-for-sale, related to factors other than credit losses when the entity does not intend to sell the security and it is not more likely than not that the entity will be required to sell the security before recovery of its amortized cost basis. This amount is the portion of the tax effect on other than temporary losses related to investments in debt securities categorized as Available-for-sale which includes the portion attributable to the noncontrolling interest, if any; this amount is also referred to as the amount incurred by the reporting entity or the consolidated entity.

+ References+ Details