Note 10 - Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2017

Notes Tables

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

	March 31, 2017				December 31, 201 6
	Carrying Amounts		Estimated Fair Value		Carrying Amounts		Estimated Fair Value
Notes payable, net (1)	$	4,053,158	$	3,984,730	$	3,927,251	$	3,890,797
Mortgages payable, net (2)	$	1,071,725	$	1,074,732	$	1,139,117	$	1,141,047

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

	Balance at March 31, 2017		Level 1		Level 2		Level 3
Assets:
Marketable equity securities	$	6,167	$	6,167	$	-	$	-
Liabilities:
Interest rate swaps	$	787	$	-	$	787	$	-

	Balance at December 31, 201 6		Level 1		Level 2		Level 3
Assets:
Marketable equity securities	$	6,502	$	6,502	$	-	$	-
Liabilities:
Interest rate swaps	$	975	$	-	$	975	$	-

	Balance at March 31, 2017		Level 1		Level 2		Level 3
Real estate	$	17,701	$	-	$	-	$	17,701

	Balance at December 31, 201 6		Level 1		Level 2		Level 3
Real estate	$	117,930	$	-	$	-	$	117,930