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Note 3 - Real Estate - Disposition Activity (Details) - Disposition Activity Relating to Consolidated Operating Properties and Parcels [Member] $ in Millions | 6 Months Ended
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Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($)
Aggregate sales price |  | $ 43.3 | $ 132.2
Gain on sale of properties | [1] | $ 7.1 | $ 28.9
Number of properties sold |  | 1 | 3
Number of parcels sold |  | 8 | 7
[1] | Before noncontrolling interests of $3.1 million and taxes of $2.1 million, after utilization of net operating loss carryforwards, for the six months ended June 30, 2021.

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Balance Type: | na
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 https://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 https://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 https://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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