Condensed Consolidated Statement of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net income	$ 22,973	$ 38,611	$ 26,948	$ 51,075
Other Comprehensive Income:
Unrealized loss on available for sale securities	(5,676)	(1,387)	(5,252)	(1,387)
Other comprehensive loss	(5,676)	(1,387)	(5,252)	(1,387)
COMPREHENSIVE INCOME	$ 17,297	$ 37,224	$ 21,696	$ 49,688