Senior Unsecured Notes and Secured Debt (Tables)

3 Months Ended

Mar. 31, 2012

Senior Unsecured Notes And Secured Debt (Tables) [Abstract]

Principal payments due on debt obligations

	Senior		Secured
	Unsecured Notes(1)		Debt (1)		Totals
2012	$	202,416(2)	$	224,279(3)	$	426,695
2013		300,000		170,693		470,693
2014		0		198,996		198,996
2015		250,000		182,288		432,288
2016		700,000		274,219		974,219
Thereafter		3,012,489		1,285,607		4,298,096
Totals	$	4,464,905	$	2,336,082	$	6,800,987
(1) Amounts represent principal amounts due and do not include unamortized premiums/discounts or other fair value adjustments as reflected on the balance sheet.
(2) $125,563,000 of convertible senior notes were redeemed in April 2012. Please see Note 19 for additional information.
(3) Approximately $185,000,000 of secured debt was extinguished in April 2012. Please see Note 19 for additional information.