Note 3 - Real Estate (Details Textual) $ in Millions	6 Months Ended
Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)
Number of Parcels Acquired	4
Payments to Acquire Real Estate, Total	$ 23.2
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, Net of Tax, Attributable to Noncontrolling Interest		$ 3.1
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation		$ 2.1

Amount of tax expense (benefit) on gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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