Note 13 - Mortgages Payable (Details Textual) $ in Millions	12 Months Ended
Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Nonrecourse Mortages Assumed Through Consolidation [Member]
Noncash or Part Noncash Acquisition, Debt Assumed	$ 37.2
Number of Real Estate Properties	2
Mortgage Relating to An Operating Property [Member]
Number of Real Estate Properties	2
Repayments of Long-Term Debt	$ 12.3	$ 158.4
Liabilities, Fair Value Adjustment		$ 0.5
Number of Encumbered Operating Properties		11
Proceeds from Issuance of Long-Term Debt, Total		$ 19.0
Mortgage Debt Assumed in the Weingarten Acquisition [Member]
Noncash or Part Noncash Acquisition, Debt Assumed		79.4
Liabilities, Fair Value Adjustment		$ 9.4
Number of Encumbered Operating Properties		6
Mortgages [Member]
Debt Instrument, Unamortized Discount (Premium), Net	0.6
Debt Issuance Costs, Net	$ 1.2	$ 1.7

Represents the number of properties encumbered as of the specified date.

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- Definition

Amount, after accumulated amortization, of debt discount (premium).

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties.

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The amount of debt that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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- Definition

The number of real estate properties owned as of the balance sheet date.

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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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