CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Consolidated Statements of Comprehensive Income [Abstract]
Net income (loss)	$ 750	$ 428	$ 3,244	$ (2,384)
Change in net unrealized gains (losses) on investments available for sale	3,180	(1,353)	6,203	(140)
Comprehensive income (loss) before tax	3,930	(925)	9,447	(2,524)
Income tax (expense) benefit related to items of other comprehensive income (loss)	(1,196)	509	(2,334)	53
Comprehensive income (loss)	$ 2,734	$ (416)	$ 7,113	$ (2,471)