Note 16 - Fair Value Disclosure of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2012

Fair Value, by Balance Sheet Grouping [Table Text Block]

	December 31,
	2012				2011
	Carrying Amounts		Estimated Fair Value		Carrying Amounts		Estimated Fair Value
Marketable Securities (1)	$	36,541	$	36,825	$	33,540	$	33,908
Notes Payable (2)	$	3,192,127	$	3,408,632	$	2,983,886	$	3,136,728
Mortgages Payable (3)	$	1,003,190	$	1,068,616	$	1,085,371	$	1,166,116
Construction Loans Payable (3)	$	-	$	-	$	45,128	$	49,345
Mandatorily Redeemable Noncontrolling Interests (termination dates ranging from 2019 – 2027) (4)	$	-	$	-	$	2,654	$	5,044

Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]

	Balance at December 31, 2012		Level 1		Level 2		Level 3
Assets:
Marketable equity securities	$	33,428	$	33,428	$	-	$	-

	Balance at December 31, 2011		Level 1		Level 2		Level 3
Assets:
Marketable equity securities	$	30,462	$	30,462	$	-	$	-
Liabilities:
Interest rate swaps	$	222	$	-	$	222	$	-

	Balance at December 31, 2012		Level 1		Level 2		Level 3
Assets:
Real estate	$	52,505	$	-	$	-	$	52,505

	Balance at December 31, 2011		Level 1		Level 2		Level 3
Assets:
Real estate	$	5,289	$	-	$	-	$	5,289
Other investments	$	9,041	$	-	$	9,041	$	-