Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Consolidated Statements of Comprehensive Income (Loss) [Abstract]
Taxes on unrealized holding gains on securities	$ (143)	$ 64	$ (103)	$ 99
Adjustment for realized gains included in net earnings	$ (441)	$ 0	$ (441)	$ 0