Debt (Tables)

9 Months Ended

Sep. 30, 2015

Debt Disclosure [Abstract]

Schedule of Debt

(Amounts in thousands)		Interest Rate at		Balance at
		September 30, 2015		September 30, 2015		December 31, 2014
Mortgages Payable:
	Fixed rate		4.43%	$	6,341,271	$	6,499,396
	Variable rate		2.01%		2,818,142		1,763,769
			3.69%	$	9,159,413	$	8,263,165
Unsecured Debt:
	Senior unsecured notes		3.68%	$	847,594	$	1,347,159
	Revolving credit facility debt		-		-		-
			3.68%	$	847,594	$	1,347,159