Disclosures About Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2012

Disclosures About Fair Value of Financial Instruments

Summary of the carrying amounts and fair values of financial instruments

	September 30, 2012				December 31, 2011
	Carrying Value		Fair Value		Carrying Value		Fair Value
Loans receivable, net(2)	$	240,929	$	252,032	$	110,253	$	111,073
Marketable debt securities(3)	221,018		221,018		—		—
Marketable equity securities(1)	22,769		22,769		17,053		17,053
Warrants(3)	1,290		1,290		1,334		1,334
Bank line of credit(2)	—		—		454,000		454,000
Term loan(2)	221,214		221,214		—		—
Senior unsecured notes(1)	5,913,690		6,623,609		5,416,063		5,819,304
Mortgage debt(2)	1,684,514		1,786,940		1,764,571		1,870,070
Other debt(2)	84,580		84,580		87,985		87,985
Interest-rate swap liabilities(2)	13,319		13,319		12,123		12,123
Currency swap liabilities(2)	2,317		2,317		—		—

(1)Level 1: Fair value calculated based on quoted prices in active markets.

(2)Level 2: Fair value based on quoted prices for similar or identical instruments in active or inactive markets, respectively, or calculated utilizing model-derived valuations in which significant inputs or value drivers are observable in active markets.

(3)Level 3: Fair value determined based on significant unobservable market inputs using standardized derivative pricing models.