Debt (Tables)

9 Months Ended

Sep. 30, 2016

Debt Disclosure [Abstract]

Schedule of Debt [Table Text Block]

The following is a summary of our debt:

(Amounts in thousands)			Interest Rate at		Balance at
			September 30, 2016		September 30, 2016		December 31, 2015
Mortgages Payable:
	Fixed rate			3.90%	$	6,685,606	$	6,356,634
	Variable rate			2.34%		3,282,893		3,258,204
		Total		3.39%		9,968,499		9,614,838
	Deferred financing costs, net and other					(100,949)		(101,125)
		Total, net			$	9,867,550	$	9,513,713
Unsecured Debt:
	Senior unsecured notes			3.68%	$	850,000	$	850,000
	Deferred financing costs, net and other					(4,777)		(5,841)
		Senior unsecured notes, net				845,223		844,159
	Unsecured term loan			1.67%		375,000		187,500
	Deferred financing costs, net and other					(3,165)		(4,362)
		Unsecured term loan, net				371,835		183,138
	Unsecured revolving credit facilities			1.57%		115,630		550,000
		Total, net			$	1,332,688	$	1,577,297