Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Deferred taxes, unrealized holding gains arising during the period	$ 711	$ 3,309	$ 1,858	$ 6,234
Deferred taxes, reclassification adjustment for net realized gains (losses) on securities recorded in income	13	0	(213)	(117)
Deferred taxes, reclassification for OTTI credit losses recorded in income	$ 0	$ 0	$ 221	$ 107