Equity Investments in Real Estate and the REITs (Tables)

6 Months Ended

Jun. 30, 2011

Equity Method Investments And Joint Ventures [Abstract]

Carrying Amount Of Investment In Funds

	% of Outstanding Shares at		Carrying Amount of Investment at
Fund	June 30, 2011	December 31, 2010	June 30, 2011 (a)		December 31, 2010 (a)
CPA®:14 (b)	0.0%	9.2%	$	-	$	87,209
CPA®:15	7.4%	7.1%		90,004		87,008
CPA®:16 – Global (c)	17.5%	5.6%		332,463		62,682
CPA®:17 – Global	0.8%	0.6%		14,401		8,156
CWI (d)	0.8%	100.0%		129		-
			$	436,997	$	245,055

Schedule Of Financial Information Of Investment [Table Text Block]

	At June 30, 2011		At December 31, 2010
Assets	$	9,239,065	$	8,533,899
Liabilities		(5,008,673)		(4,632,709)
Shareholders' equity	$	4,230,392	$	3,901,190

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Revenues	$	204,105	$	201,334	$	402,773	$	394,088
Expenses (a)		(126,530)		(151,906)		(272,374)		(293,530)
Impairment charges (b)		(29,831)		(886)		(39,839)		(12,980)
Net income	$	47,744	$	48,542	$	90,560	$	87,578

Ownership Interests and Carrying Values in Equity Investments

	Ownership Interest	Carrying Value at
Lessee	at June 30, 2011	June 30, 2011		December 31, 2010
Schuler A.G. (a) (b)	33%	$	23,246	$	20,493
Carrefour France, SAS (a)	46%		20,856		18,274
The New York Times Company	18%		19,275		20,191
U.S. Airways Group, Inc. (b)	75%		7,738		7,934
Medica - France, S.A. (a)	46%		5,085		5,232
Hologic, Inc. (b)	36%		4,728		4,383
Childtime Childcare, Inc. (c)	34%		4,140		1,862
Consolidated Systems, Inc. (b)	60%		3,400		3,388
Symphony IRI Group, Inc. (d)	33%		1,437		3,375
Hellweg Die Profi-Baumarkte GmbH & Co. KG (a)	5%		1,110		1,086
Federal Express Corporation (e) (g)	100%		-		(4,272)
Amylin Pharmaceuticals, Inc. (f) (g)	100%		-		(4,707)
		$	91,015	$	77,239

Financial Information of Venture Properties

	June 30, 2011		December 31, 2010
Assets	$	1,106,283	$	1,151,859
Liabilities		(766,170)		(818,238)
Partners'/members' equity	$	340,113	$	333,621

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Revenues	$	30,364	$	37,849	$	60,918	$	76,058
Expenses		(20,090)		(19,948)		(40,738)		(39,657)
Impairment charges (a)		(40)		-		(8,602)		-
Net income	$	10,234	$	17,901	$	11,578	$	36,401