Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net Income	$ 31,534	$ 18,847	$ 51,136	$ 35,323
Change in fair value of available-for-sale securities	(115,263)	9,766	(109,366)	35,766
Reclassification adjustment for gain on sale of investments, net included in statement of income	(2,031)	0	(3,422)	0
Change in fair value of cash flow hedges	15,944	(14,693)	16,381	(17,780)
Reclassification adjustment for cash flows hedges included in statement of income	4,693	3,509	8,796	6,775
Other comprehensive income	(96,657)	(1,418)	(87,611)	24,761
Total comprehensive income	(65,123)	17,429	(36,475)	60,084
Preferred Stock Dividends	(2,092)	0	(3,313)	0
Comprehensive Income to Common Shareholders	$ (67,215)	$ 17,429	$ (39,788)	$ 60,084