Consolidated Statements Of Comprehensive Income (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
Net (loss) income	$ (48,527)	$ 8,942	$ (34,270)	$ 29,639
Unrealized holding gains:
Before tax	4,065	6,902	5,555	29,288
Tax effect	(1,574)	(2,711)	(2,123)	(11,473)
Net of tax	2,491	4,191	3,432	17,815
Less: reclassification of net (losses) gains included in net (loss) income:
Before tax	(217)	449	(1,009)	2,520
Tax effect	89	(184)	413	(1,031)
Net of tax	(128)	265	(596)	1,489
Net unrealized holding gains	2,619	3,926	4,028	16,326
Total other comprehensive income	2,619	3,926	4,028	16,326
Total comprehensive (loss) income	$ (45,908)	$ 12,868	$ (30,242)	$ 45,965