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Note 16 - Related Party Transactions - (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Related Party Transaction [Line Items]
Receivables due from related parties	$ 1,049		$ 1,049		$ 1,663
Revenue from related parties	10,213	$ 10,047	30,415	$ 32,152
Ground lease revenues	10,213	10,047	30,415	32,152
Samuel M. Spiritos [Member] \| Shulman Rogers L L P [Member]
Related Party Transaction [Line Items]
Related party legal fees		$ 100		$ 300
Notes Receivable [Member]
Related Party Transaction [Line Items]
Receivables due from related parties	1,100		1,100		1,100
Maximum [Member] \| Samuel M. Spiritos [Member] \| Shulman Rogers L L P [Member]
Related Party Transaction [Line Items]
Related party legal fees	100		100
Other Assets, Net [Member] \| Related Party [Member]
Related Party Transaction [Line Items]
Receivables due from related parties	1,100		1,100		1,100
Payables Due to Related Parties [Member] \| Borrowed by Company for Working Capital [Member] \| Due To Properties [Member]
Related Party Transaction [Line Items]
Payables due to related parties	$ 100		$ 100		$ 100