Dispositions, Assets Held for Sale and Discontinued Operations (Tables)

3 Months Ended

Sep. 30, 2012

Dispositions, Assets Held for Sale and Discontinued Operations (Tables) [Abstract]

Summary of real property disposition activity

		Nine Months Ended
		September 30, 2012			September 30, 2011
Real property dispositions:
	Seniors housing triple-net		$	149,984		$	129,725
	Medical facilities			106,347			35,295
	Total dispositions			256,331			165,020
Add: Gain (loss) on sales of real property, net				46,046			56,565
Proceeds from real property sales			$	302,377		$	221,585

Reclassification impact as result of classifying properties as discontinued operations

			Three Months Ended				Nine Months Ended
			September 30,				September 30,
		2012		2011		2012		2011
Revenues:
	Rental income	$	8,441	$	14,147	$	33,287	$	51,117
Expenses:
	Interest expense		1,663		3,382		6,669		11,387
	Property operating expenses		219		944		1,099		4,331
	Provision for depreciation		708		4,058		6,190		14,838
Income (loss) from discontinued operations, net		$	5,851	$	5,763	$	19,329	$	20,561