Note 25 - Income Taxes (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Required Dividend Payout	90.00%
Unrecognized Tax Benefits, Ending Balance	$ 1.4	$ 1.4
ACI’s Common Stock Owned by Kimco Realty [Member]
Equity Securities, FV-NI, Realized Gain (Loss), Total	251.5
ACI’s Common Stock Owned by Kimco Realty [Member] | Domestic Tax Authority [Member]
Effective Income Tax Expense Long-term Capital Gain Amount	47.3
ACI’s Common Stock Owned by Kimco Realty [Member] | State and Local Jurisdiction [Member]
Effective Income Tax Expense Long-term Capital Gain Amount	$ 9.9
Weingarten Realty Investors [Member]
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount		$ 20.7