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

12 Months Ended

Dec. 31, 2016

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

Summary of real property disposition activity

		Year Ended
		December 31, 2016		December 31, 2015		December 31, 2014
Real property dispositions:
	Triple-net	$	1,773,614	$	356,300	$	747,720
	Outpatient medical(1)		78,786		181,553		45,695
	Land parcels		-		5,724		-
	Total dispositions		1,852,400		543,577		793,415
Gain (loss) on sales of real property, net			364,046		280,387		153,522
Net other assets/liabilities disposed			133,622		-		(35,872)
Proceeds from real property sales		$	2,350,068	$	823,964	$	911,065
	(1) Dispositions occurring in the year ended December 31, 2015 primarily relate to the disposition of an unconsolidated equity investment with Forest City Enterprises.

Reclassification impact as result of classifying properties as discontinued operations

		Year Ended
		December 31,
		2016		2015		2014
Revenues:
	Rental income	$	310,390	$	352,615	$	401,640
Expenses:
	Interest expense		49,599		64,741		80,893
	Property operating expenses		10,846		12,117		14,127
	Provision for depreciation		68,280		88,580		111,593
	Total expenses		128,725		165,438		206,613
Income (loss) from real estate dispositions, net		$	181,665	$	187,177	$	195,027