Disclosure about Fair Value of Financial Instruments (Tables)

3 Months Ended

Jun. 30, 2012

Disclosure about Fair Value of Financial Instruments (Tables) [Abstract]

Carrying amounts and estimated fair values of financial instruments

		June 30, 2012				December 31, 2011
		Carrying		Fair		Carrying		Fair
		Amount		Value		Amount		Value
Financial assets:
	Mortgage loans receivable	$	63,249	$	65,993	$	63,934	$	64,194
	Other real estate loans receivable		236,751		246,785		228,573		231,308
	Available-for-sale equity investments		942		942		980		980
	Cash and cash equivalents		204,895		204,895		163,482		163,482
	Foreign currency forward contract		6,916		6,916		0		0
Financial liabilities:
	Borrowings under unsecured line of credit arrangements	$	393,000	$	393,000	$	610,000	$	610,000
	Senior unsecured notes		4,910,871		5,425,706		4,434,107		4,709,736
	Secured debt		2,299,674		2,461,438		2,112,649		2,297,278
	Interest rate swap agreements		979		979		2,854		2,854

The Market approach utilized to measure fair value of financial assets and liabilities on recurring basis

	Fair Value Measurements as of June 30, 2012
	Total		Level 1		Level 2		Level 3
Available-for-sale equity investments(1)	$	942	$	942	$	0	$	0
Interest rate swap agreements(2)		(979)		0		(979)		0
Foreign currency forward contract(2)		6,916		0		6,916		0
Totals	$	6,879	$	942	$	5,937	$	0
(1) Unrealized gains or losses on equity investments are recorded in accumulated other comprehensive income (loss) at each measurement date.
(2) Please see Note 11 for additional information.