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Note 4 - Real Estate - Disposition Activity (Details) - Disposition Activity Relating to Consolidated Operating Properties and Parcels [Member] $ in Millions | 1 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2021 | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($)
Aggregate sales price |  |  | $ 156.6 | $ 22.6
Gain on sale of properties | [1] |  | $ 30.8 | $ 5.7
Number of properties sold |  | 2 | 5 | 3
Number of parcels sold |  |  | 9 | 1
[1] | Before noncontrolling interests of $3.0 million and taxes of $2.2 million, after utilization of net operating loss carryforwards, for the nine months ended September 30, 2021.

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Period Type: | duration

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- Definition The number of properties sold during the period. + References No definition available. + Details
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- Definition Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109222160&loc=d3e957-107759 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3B -URI http://asc.fasb.org/extlink&oid=109222160&loc=SL51721525-107759 + Details
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- Definition Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation. + References No definition available. + Details
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- Details
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