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Comprehensive Income
6 Months Ended
Jun. 30, 2011
Comprehensive Income [Abstract]  
Comprehensive Income
(9)   Comprehensive Income
     Activity in other comprehensive income for the six months ended June 30, 2011 and 2010 is shown in the Consolidated Statements of Stockholders’ Equity and Comprehensive Income. The first component of other comprehensive income is the unrealized holding gains and losses on available for sale securities. Our Company did not have any other-than temporary impairment (OTTI) as required to be reported under current accounting guidance for OTTI on debt securities during the periods reported. Under this guidance, credit-related losses on debt securities with OTTI are recorded in current earnings, while the noncredit- related portion of the overall gain or loss in fair value is recorded in other comprehensive income. The second component of other comprehensive income is pension gains and losses that arise during the period but are not recognized as components of net periodic benefit cost, and corresponding adjustments when these gains and losses are subsequently amortized to net periodic benefit cost.