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

12 Months Ended

Dec. 31, 2013

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

Summary of real property disposition activity

		Year Ended
		December 31, 2013		December 31, 2012		December 31, 2011
Real property dispositions:
	Seniors housing triple-net	$	189,572	$	372,378	$	150,755
	Medical facilities		259,367		149,344		35,295
	Total dispositions		448,939		521,722		186,050
Gain (loss) on sales of real property, net			49,138		100,549		61,160
Seller financing on sales of real property			(3,850)		(12,000)		0
Non-cash disposition activity			(12,204)		0		0
Proceeds from real property sales		$	482,023	$	610,271	$	247,210

Reclassification impact as result of classifying properties as discontinued operations

			Year Ended December 31,
		2013		2012		2011
Revenues:
	Rental income	$	18,377	$	96,378	$	124,113
Expenses:
	Interest expense		4,246		21,735		31,018
	Property operating expenses		3,396		4,482		8,806
	Provision for depreciation		8,160		27,365		37,126
Income (loss) from discontinued operations, net		$	2,575	$	42,796	$	47,163