Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Consolidated Statements of Comprehensive Income (Loss) [Abstract]
Taxes on unrealized holding gains on securities	$ 2	$ (49)	$ (105)	$ 50
Adjustment for realized gains included in net earnings	$ 3	$ 0	$ (431)	$ 0