XML 48 R43.htm IDEA: XBRL DOCUMENT v2.4.0.6
Summary of Significant Accounting Policies (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Components of other comprehensive income and related tax effects      
Net unrealized gain (loss) on available-for-sale securities $ 417 $ 9,357 $ (2,037)
Reclassification adjustment for gain on sale of available-for-sale securities (852) (504) (956)
Net unrealized gains (losses) (435) 8,853 (2,993)
Tax effect (147) 3,010 (1,017)
Other comprehensive income (loss) $ (288) $ 5,843 $ (1,976)