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Note 15 - Mortgages Payable (Details Textual) $ in Millions |  | 2 Months Ended | 12 Months Ended
--- | --- | --- | ---
Aug. 03, 2021 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Nonrecourse Mortages Assumed Through Consolidation [Member] |  |  |  |  |
Noncash or Part Noncash Acquisition, Debt Assumed |  |  |  | $ 234.1 |
Number of Real Estate Properties |  |  | 9 | 9 |
Mortgage Debt Encumbered Operating Property [Member] |  |  |  |  |
Number of Real Estate Properties |  |  | 28 | 28 | 4
Repayments of Long-term Debt, Total |  |  |  | $ 230.5 | $ 92.0
Liabilities, Fair Value Adjustment |  |  |  | $ 1.2 | 0.4
Non-recouse Mortgage Debt Related to Property Deconsolidated [Member] |  |  |  |  |
Number of Real Estate Properties |  |  | 6 | 6 |
Debt Instrument, Increase (Decrease), Net, Total |  |  | $ (170.0) | $ (170.0) |
Mortgage Debt Assumed in the Weingarten Acquisition [Member] |  |  |  |  |
Noncash or Part Noncash Acquisition, Debt Assumed |  | $ 317.7 |  |  |
Liabilities, Fair Value Adjustment |  | $ 11.0 |  |  |
Number of Encumbered Operating Properties |  | 16 |  |  |
Mortgage Debt Assumed in the Weingarten Acquisition [Member] | Minimum [Member] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 3.50% |  |  |
Mortgage Debt Assumed in the Weingarten Acquisition [Member] | Maximum [Member] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 6.95% |  |  |
Mortgages [Member] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | [1] |  | 4.12% | 4.12% |
Debt Instrument, Unamortized Discount (Premium), Net, Total |  |  | $ 10.8 | $ 10.8 |
Debt Issuance Costs, Net, Total |  |  | $ 1.3 | $ 1.3 | $ 0.6
Mortgages [Member] | Minimum [Member] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 3.23% | 3.23% | 3.23%
Mortgages [Member] | Maximum [Member] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 7.23% | 7.23% | 7.23%
[1] | Weighted-average interest rate

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- Definition Net increase or decrease in the carrying amount of the debt instrument for the period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount, after accumulated amortization, of debt discount (premium). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28567-108399 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28541-108399 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1D -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
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