Disclosure about Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2011

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

Carrying amounts and estimated fair values of financial instruments

The carrying amounts and estimated fair values of our financial instruments are as follows (in thousands):

		December 31, 2011				December 31, 2010
		Carrying		Fair		Carrying		Fair
		Amount		Value		Amount		Value
Financial Assets:
	Mortgage loans receivable	$	63,934	$	64,194	$	109,283	$	111,255
	Other real estate loans receivable		228,573		231,308		327,297		333,003
	Available-for-sale equity investments		980		980		1,103		1,103
	Cash and cash equivalents		163,482		163,482		131,570		131,570
Financial Liabilities:
	Borrowings under unsecured lines of credit arrangements	$	610,000	$	610,000	$	300,000	$	300,000
	Senior unsecured notes		4,434,107		4,709,736		3,034,949		3,267,638
	Secured debt		2,112,649		2,297,278		1,125,906		1,178,081
	Interest rate swap agreements		2,854		2,854		482		482

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

	Fair Value Measurements as of December 31, 2011
	Total		Level 1		Level 2		Level 3
Available-for-sale equity investments(1)	$	980	$	980	$	0	$	0
Assets held for sale(2)		36,115		0		36,115		0
Interest rate swap agreements(3)		(2,854)		0		(2,854)		0
Totals	$	34,241	$	980	$	33,261	$	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 5 for additional information.
(3) Please see Note 11 for additional information.