CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Consolidated Statements of Comprehensive Income [Abstract]
Net income (loss)	$ 1,422	$ (805)	$ 2,494	$ (2,812)
Change in net unrealized gains on investments available for sale	1,140	626	3,023	1,213
Comprehensive income (loss) before tax	2,562	(179)	5,517	(1,599)
Income tax expense related to items of other comprehensive income (loss)	(430)	(235)	(1,138)	(456)
Comprehensive income (loss)	$ 2,132	$ (414)	$ 4,379	$ (2,055)