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Note 11 - Leases (Details Textual) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Aug. 03, 2021 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Difference Between Rental Income Contracted and Rental Income Recognized |  | $ 33,800 | $ 22,600 | $ (5,900)
Weingarten Realty Investors [Member] |  |  |  |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | $ 32,600 | 0 | 32,569 | 0
Number of Properties Associated with Operating Leases Obtained in Business Acquisition | 6 |  |  |
Number of Properties Associated with Finance Leases Obtained in Business Acquisition | 2 |  |  |
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability | $ 23,000 | $ 0 | $ 23,026 | $ 0
Minimum [Member] |  |  |  |
Lessee, Operating Lease, Remaining Lease Term (Year) |  | 1 year |  |
Maximum [Member] |  |  |  |
Lessee, Operating Lease, Remaining Lease Term (Year) |  | 63 years |  |
Lessee, Operating Lease, Renewal Term (Year) |  | 75 years |  |
Shopping Centers [Member] | Minimum [Member] |  |  |  |
Lessor, Operating Lease, Term of Contract (Year) |  | 5 years |  |
Shopping Centers [Member] | Maximum [Member] |  |  |  |
Lessor, Operating Lease, Term of Contract (Year) |  | 25 years |  |
Annual Minimum Rentals Plus Incremental Rents [Member] | Rental Revenue [Member] | Customer Concentration Risk [Member] |  |  |  |
Concentration Risk, Percentage |  | 98.00% | 98.00% | 98.00%

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