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

3 Months Ended

Jun. 30, 2013

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

Summary of real property disposition activity

		Six Months Ended
		June 30, 2013			June 30, 2012
Real property dispositions:
	Seniors housing triple-net		$	133,024		$	90,404
	Medical facilities			135,784			33,066
	Total dispositions			268,808			123,470
Add: Gain (loss) on sales of real property, net				52,495			33,219
Proceeds from real property sales			$	321,303		$	156,689

Reclassification impact as result of classifying properties as discontinued operations

			Three Months Ended				Six Months Ended
			June 30,				June 30,
		2013		2012		2013		2012
Revenues:
	Rental income	$	1,193	$	24,196	$	4,336	$	48,586
Expenses:
	Interest expense		215		5,463		993		10,704
	Property operating expenses		234		474		568		1,367
	Provision for depreciation		369		5,364		762		12,249
Income (loss) from discontinued operations, net		$	375	$	12,895	$	2,013	$	24,266