Note 13 - Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2011

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

		September 30, 2011				December 31, 2010
		Carrying Amounts		Estimated Fair Value		Carrying Amounts		Estimated Fair Value
Marketable Securities	$	39,650	$	40,048	$	223,991	$	224,451
Notes Payable	$	2,883,920	$	3,092,400	$	2,982,421	$	3,162,183
Mortgages Payable	$	1,059,385	$	1,150,308	$	1,046,313	$	1,120,797
Construction Loans Payable	$	41,958	$	45,713	$	30,253	$	32,192
Mandatorily Redeemable Noncontrolling Interests (termination dates ranging from 2019 – 2027)	$	2,615	$	5,065	$	2,697	$	5,462

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block]

		Balance at September 30, 2011		Level 1		Level 2		Level 3
Assets:
Marketable equity securities	$	36,599	$	36,599	$	-	$	-
Liabilities:
Interest rate swaps	$	313	$	-	$	313	$	-

		Balance at December 31, 2010		Level 1		Level 2		Level 3
Assets:
Marketable equity securities	$	31,016	$	31,016	$	-	$	-
Convertible notes	$	172,075	$	-	$	172,075	$	-
Conversion option	$	10,205	$	-	$	10,205	$	-
Liabilities:
Interest rate swaps	$	506	$	-	$	506	$	-

		Balance at September 30, 2011		Level 1		Level 2		Level 3
Assets:
Real estate	$	3,550	$	-	$	-	$	3,550
Investment and advances in real estate joint ventures	$	1,557	$	-	$	-	$	1,557

		Balance at December 31, 2010		Level 1		Level 2		Level 3
Assets:
Real Estate	$	16,414	$	-	$	-	$	16,414
Real estate under development/redevelopment	$	22,626	$	-	$	-	$	22,626
Other real estate investments	$	3,921	$	-	$	-	$	3,921
Mortgage and other financing receivables	$	1,405	$	-	$	-	$	1,405