Disclosure about Fair Value of Financial Instruments (Tables)

3 Months Ended

Jun. 30, 2013

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

Carrying amounts and estimated fair values of financial instruments

		June 30, 2013				December 31, 2012
		Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial assets:
	Mortgage loans receivable	$	121,215	$	122,244	$	87,955	$	88,975
	Other real estate loans receivable		191,141		198,391		807,710		820,195
	Available-for-sale equity investments		1,297		1,297		1,384		1,384
	Cash and cash equivalents		512,472		512,472		1,033,764		1,033,764
	Foreign currency forward contracts		83,068		83,068		0		0
Financial liabilities:
	Senior unsecured notes		6,604,979		7,150,317		6,114,151		6,793,424
	Secured debt		2,875,606		3,020,191		2,336,196		2,515,145
	Interest rate swap agreements		135		135		264		264
	Foreign currency forward contracts		0		0		7,247		7,247

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

	Fair Value Measurements as of June 30, 2013
	Total		Level 1		Level 2		Level 3
Available-for-sale equity investments(1)	$	1,297	$	1,297	$	0	$	0
Interest rate swap agreements(2)		(135)		0		(135)		0
Foreign currency forward contracts(2)		83,068		0		83,068		0
Totals	$	84,230	$	1,297	$	82,933	$	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.