Segment Information - Information by Business Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segments
Total revenue	$ 266,996	$ 160,555	$ 127,085
Cost of revenue	131,314	77,776	64,086
Corporate and other operating expenses	23,023	22,906	21,389
Depreciation, depletion and amortization	18,202	12,788	10,287
Investment income, net	7,254	4,983	10,714
Interest expense	15,854	13,564	12,302
Gain on contribution to unconsolidated joint ventures	3,558	19,983	2,317
Other income (expense), net	10,181	1,329	4,133
Income (loss) before equity in loss from unconsolidated joint ventures and income taxes	99,596	59,816	36,185
Equity in (loss) income from unconsolidated joint ventures	(865)	(666)	(77)
Capital expenditures	200,819	162,243	114,286
Investment in unconsolidated joint ventures	52,027	37,965
Total assets	1,208,151	1,037,324
Interest income from investments in SPEs	8,078	8,180	8,190
Interest expense from Senior Notes issued by SPE	(8,827)	(8,813)	(8,801)
Gain on insurance recovery	4,853	690	5,314
Loss from hurricane damage	56	1,123	2,704
Latitude Margaritaville Watersound JV
Segments
Equity in (loss) income from unconsolidated joint ventures	(1,861)	(524)	(71)
Investment in unconsolidated joint ventures	30,040	24,288
Gain on land and additional infrastructure improvements contributed to to unconsolidated joint venture		15,700
Watersound Fountains Independent Living JV
Segments
Investment in unconsolidated joint ventures	7,508
Gain on land contribution	3,100
Florida Division of Emergency Management's Florida Timber Recovery Block Grant Program
Segments
Other income (expense), net	3,600
Sea Sound Apartments JV
Segments
Equity in (loss) income from unconsolidated joint ventures	(15)
Investment in unconsolidated joint ventures	10,333	10,348
Gain on land contribution		3,900
Busy Bee JV
Segments
Equity in (loss) income from unconsolidated joint ventures	441	(30)
Investment in unconsolidated joint ventures	1,621	1,180
Gain on land contribution			800
Pier Park TPS JV
Segments
Equity in (loss) income from unconsolidated joint ventures	551	(112)	(6)
Investment in unconsolidated joint ventures	1,961	2,149
Gain on land contribution			1,400
Residential real estate
Segments
Equity in (loss) income from unconsolidated joint ventures	(1,861)	(524)	(71)
Investment in unconsolidated joint ventures	30,039	24,287
Commercial leasing and sales
Segments
Equity in (loss) income from unconsolidated joint ventures	996	(142)	(6)
Investment in unconsolidated joint ventures	21,988	13,678
Operating Segments | Residential real estate
Segments
Total revenue	145,784	74,715	41,586
Cost of revenue	57,842	30,359	20,492
Corporate and other operating expenses	4,872	5,283	4,873
Depreciation, depletion and amortization	351	318	283
Interest expense	581	683	717
Gain on contribution to unconsolidated joint ventures	503	15,706
Other income (expense), net	113	(22)	(217)
Income (loss) before equity in loss from unconsolidated joint ventures and income taxes	83,582	53,998	15,144
Capital expenditures	52,838	33,634	28,639
Total assets	195,142	172,610
Operating Segments | Hospitality Segment
Segments
Total revenue	74,591	47,374	45,720
Cost of revenue	57,494	34,670	33,924
Corporate and other operating expenses	919	1,180	838
Depreciation, depletion and amortization	6,966	4,638	4,579
Interest expense	488	222	30
Other income (expense), net	635	575	225
Income (loss) before equity in loss from unconsolidated joint ventures and income taxes	9,359	7,238	6,574
Capital expenditures	101,686	42,770	15,923
Total assets	256,751	146,724
Operating Segments | Commercial leasing and sales
Segments
Total revenue	44,627	36,665	38,823
Cost of revenue	14,440	12,228	9,593
Corporate and other operating expenses	3,980	3,681	3,479
Depreciation, depletion and amortization	10,490	6,987	5,253
Interest expense	5,949	3,836	2,739
Gain on contribution to unconsolidated joint ventures	3,055	3,949	2,244
Other income (expense), net	3,722	51	1,190
Income (loss) before equity in loss from unconsolidated joint ventures and income taxes	16,591	13,988	21,239
Capital expenditures	45,843	85,070	69,219
Total assets	375,266	332,649
Operating Segments | Residential and commercial
Segments
Investment income, net	874	298	184
Corporate And Reconciling Items [Member]
Segments
Total revenue	1,994	1,801	956
Cost of revenue	1,538	519	77
Corporate and other operating expenses	13,252	12,762	12,199
Depreciation, depletion and amortization	395	845	172
Investment income, net	6,380	4,685	10,530
Interest expense	8,836	8,823	8,816
Gain on contribution to unconsolidated joint ventures		328	73
Other income (expense), net	5,711	725	2,935
Income (loss) before equity in loss from unconsolidated joint ventures and income taxes	(9,936)	(15,408)	(6,772)
Capital expenditures	452	769	505
Total assets	380,992	385,341
Interest expense from Senior Notes issued by SPE	$ (8,800)	$ (8,800)	$ (8,800)