Note 17 - Supplemental Schedule of Non-cash Investing / Financing Activities - Non-cash Investing and Financing Activities (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Aug. 03, 2021
Proceeds held in escrow through the sale of real estate interests	$ 19,744	$ 0
Surrender of common stock	13,660	20,826
Dividends payable	5,326	5,366	$ 5,366
Capital expenditures accrual	28,219	35,451
Lease liabilities arising from obtaining operating right-of-use assets	0	553
Allocation of fair value to noncontrolling interests	0	2,068
Decrease in redeemable noncontrolling interests from redemption of units for common stock	1,613	0
Purchase price fair value adjustment to prepaid rent	0	15,620
Weingarten Realty Investors [Member]
Weingarten Merger:
Real estate assets	0	5,624,707
Investments in and advances to real estate joint ventures	0	586,248
Notes payable	0	(1,497,632)		$ (1,500,000)
Mortgages payable	0	(317,671)
Below-market leases	0	(120,441)
Noncontrolling interests	0	(179,037)
Other assets and liabilities, net	0	(149,813)
Lease liabilities arising from obtaining operating right-of-use assets	0	32,569
Lease liabilities arising from obtaining financing right-of-use assets	0	23,778
Common stock issued in exchange for Weingarten shares	$ 0	$ (3,738,735)