Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Deferred taxes, unrealized holding gains arising during the period	$ (631)	$ 2,231	$ 1,147	$ 2,925
Deferred taxes, reclassification adjustment for net realized gains on securities recorded in income	105	(105)	(226)	(117)
Deferred taxes, reclassification for OTTI credit losses recorded in income	$ 0	$ 107	$ 221	$ 107