Note 12 - Reportable Operating Segments - Financial Results for Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating Segment Income (Loss)
Operating income (loss)	$ 10,641	$ 2,096	$ 10,139	$ 1,438
Operating Segments [Member]
Operating Segment Revenues
Operating revenues	13,987	4,950	16,234	7,009
Operating Segment Income (Loss)
Operating income (loss)	11,953	3,342	12,859	4,050
Operating Segments [Member] | Real Estate Segment [Member]
Operating Segment Revenues
Operating revenues	11,600	2,700	11,600	2,700
Operating Segment Income (Loss)
Operating income (loss)	10,893	2,246	10,804	2,148
Operating Segments [Member] | Leasing Segment [Member]
Operating Segment Revenues
Operating revenues	2,198	1,962	4,228	3,763
Operating Segment Income (Loss)
Operating income (loss)	1,201	1,086	2,489	2,047
Operating Segments [Member] | Resort Amenities Segment [Member]
Operating Segment Revenues
Operating revenues	189	288	406	546
Operating Segment Income (Loss)
Operating income (loss)	$ (141)	$ 10	$ (434)	$ (145)