Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net income (loss)	$ 15,268	$ 13,383	$ (14,617)
Unrealized gains (losses) on securities for which a portion of an other than temporary impairment has been recorded in earnings before tax:
Unrealized holding gains (losses) arising during the period	(94)	15	(1,142)
Less: reclassification adjustment for impairment losses realized in net income	99	305	310
Net unrealized gains (losses) on securities with other than temporary impairment before tax expense	5	320	(832)
Unrealized gains on securities without other than temporary impairment before tax:
Unrealized holding gains arising during the period	5,320	2,404	2,098
Less: reclassification adjustment for net gains realized in net income	0	(40)	(1,884)
Less: reclassification adjustment for impairment losses realized in net income	0	0	2,302
Net unrealized gains on other securities before tax expense	5,320	2,364	2,516
Other comprehensive income before tax	5,325	2,684	1,684
Tax expense related to other comprehensive income	(2,024)	(1,020)	(640)
Other comprehensive income, net of tax	3,301	1,664	1,044
Comprehensive income (loss)	$ 18,569	$ 15,047	$ (13,573)