Consolidated Statement of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net income	$ 48,677	$ 93,499	$ (91,308)
Other Comprehensive Income:
Unrealized gain (loss) on available for sale securities	(2,746)	(4,975)	(5)
Other comprehensive loss	(2,746)	(4,975)	(5)
COMPREHENSIVE INCOME	$ 45,931	$ 88,524	$ (91,313)