Basis of Presentation and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Basis Of Presentation And Significant Accounting Policies Tables [Abstract]

Non Cash Impairment And Other Losses [Table Text Block]

(Amounts in thousands)			For the Year Ended December 31,
			2012		2011		2010
Impairment losses:
	Real estate assets	$	107,000	$	-	$	72,500
	Development projects		-		3,040		-
	Condominium units held for sale (see page 138)		2,538		-		30,013
Acquisition related costs and tenant buy-outs			11,248		32,259		6,945
		$	120,786	$	35,299	$	109,458