Note 24 - Income Taxes (Details Textual) - USD ($) $ in Millions	1 Months Ended	2 Months Ended	3 Months Ended	12 Months Ended
	Aug. 31, 2016	Dec. 31, 2019	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Required Dividend Payout			90.00%	90.00%
Federal Income Tax Benefit from AMT Credit Refunds						$ 3.7
Deferred Federal Income Tax Expense (Benefit)						$ (1.1)
Unrecognized Tax Benefits, Ending Balance			$ 1.4	$ 1.4	$ 1.5
Mexican Tax Authority [Member]
Tax Assessment Estimated Penalties Expense	$ 52.6
Tax Assessment, Estimated Penalties Expense, Amount Found to Be Improperly Assessed		$ 16.1
Tax Assessment, Estimated Penalties Expense, Amount Found to Be Improperly Assessed, Reporting Entity’s Share		$ 12.8
Income Tax Examination, Estimate of Possible Loss			45.5
Income Tax Examination, Estimate of Possible Loss, Reporting Entity's Share			$ 41.0
Mexican Tax Authority [Member] | Tax Year 2010 [Member]
Income Tax Examination, Year under Examination	2010
Tax Assessment Estimated Tax Expense	$ 33.7
Tax Assessment Estimated Interest Expense	16.5
Tax Assessment Estimated Penalties Expense	$ 11.4
State and Local Jurisdiction [Member]
Effective Income Tax Rate Reconciliation, Real Estate Investment Trust, Amount				0.1	$ 1.5
Weingarten Realty Investors [Member]
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount				$ 20.7