Redeemable Partnership Units (Tables)

6 Months Ended

Jun. 30, 2014

Redeemable Partnership Units [Abstract]

Summary Of Activity Of Redeemable Noncontrolling Interests [Table Text Block]

(Amounts in thousands)
Balance at December 31, 2012	$	944,152
Net income		23,916
Other comprehensive income		9,034
Distributions		(17,541)
Redemption of Class A units, at redemption value		(14,980)
Adjustments to carry redeemable Class A units at redemption value		29,393
Redemption of Series D-15 redeemable units		(36,900)
Other, net		3,914
Balance at June 30, 2013	$	940,988
Balance at December 31, 2013	$	1,003,620
Net income		8,564
Other comprehensive income		1,260
Distributions		(16,824)
Redemption of Class A units, at redemption value		(19,771)
Adjustments to carry redeemable Class A units at redemption value		227,338
Other, net		16,771
Balance at June 30, 2014	$	1,220,958