Debt, Net - Debt Agreements (Details) $ in Thousands		1 Months Ended					9 Months Ended		12 Months Ended					60 Months Ended	180 Months Ended
	Sep. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Feb. 28, 2023 USD ($)	Dec. 31, 2022 USD ($)	Jul. 31, 2022 USD ($)	Jan. 31, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($) home	Oct. 31, 2028	Nov. 30, 2042	Apr. 30, 2027 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2015 USD ($)
Debt instruments
Outstanding debt	$ 458,864			$ 391,411			$ 458,864		$ 391,411
Loss on extinguishment of debt							133	$ 130
Community Development District debt (CDD)	10,600			12,800			10,600		12,800
Assets	1,542,106			1,430,839			1,542,106		1,430,839
Asset Pledged as Collateral without Right
Debt instruments
Assets	$ 598,800						$ 598,800
Assets, Pledging Purpose	Outstanding debt						Outstanding debt
Watersound Origins Crossings JV Loan (insured by HUD)
Debt instruments
Loan amount												$ 44,000
Outstanding debt	$ 52,690	$ 52,900	$ 44,000	44,015			$ 52,690		$ 44,015
Debt interest rate (as a percent)		5.00%
Additional loan cost from refinance							900
Loss on extinguishment of debt							100
Watersound Origins Crossings JV Loan (insured by HUD) | Minimum
Debt instruments
Prepayment premium, as a percent of principal repaid		1.00%
Watersound Origins Crossings JV Loan (insured by HUD) | Maximum
Debt instruments
Prepayment premium, as a percent of principal repaid		10.00%
Watersound Origins Crossings JV Loan (insured by HUD) | SOFR
Debt instruments
Basis spread on variable rate (as a percent)									2.80%
Pier Park Resort Hotel JV Loan
Debt instruments
Loan amount											$ 52,500
Outstanding debt	$ 52,131			45,209			52,131		$ 45,209
Debt service coverage period											12 months
Pier Park Resort Hotel JV Loan | Maximum
Debt instruments
Loan amount											$ 60,000
Pier Park Resort Hotel JV Loan | Interest rate swap
Debt instruments
Notional amount				$ 42,000					$ 42,000
Fixed interest rate (as a percent)			3.30%	3.30%					3.30%
Pier Park Resort Hotel JV Loan | Interest rate swap | Forecast
Debt instruments
Notional amount																$ 38,700
Pier Park Resort Hotel JV Loan | SOFR
Debt instruments
Basis spread on variable rate (as a percent)	2.10%		2.10%
PPN JV Loan
Debt instruments
Loan amount																		$ 48,200
Outstanding debt	$ 41,757			$ 42,555			41,757		$ 42,555
Mexico Beach Crossings JV Loan (insured by HUD)
Debt instruments
Loan amount						$ 43,500
Outstanding debt	41,351			23,374			41,351		23,374
Debt instrument, period subject to interest payments only						27 months
Mexico Beach Crossings JV Loan (insured by HUD) | Minimum
Debt instruments
Prepayment premium, as a percent of principal repaid						1.00%
Mexico Beach Crossings JV Loan (insured by HUD) | Maximum
Debt instruments
Prepayment premium, as a percent of principal repaid						10.00%
Pearl Hotel Loan
Debt instruments
Loan amount				37,000					37,000
Outstanding debt	35,890			$ 37,000			35,890		37,000
Pearl Hotel Loan | Minimum
Debt instruments
Prepayment premium, as a percent of principal repaid				1.00%
Pearl Hotel Loan | Maximum
Debt instruments
Prepayment premium, as a percent of principal repaid				5.00%
PPC JV Loan (insured by HUD)
Debt instruments
Loan amount													$ 36,600
Outstanding debt	34,803			$ 35,180			34,803		35,180
PPC JV Loan (insured by HUD) | Minimum
Debt instruments
Prepayment premium, as a percent of principal repaid													2.00%
PPC JV Loan (insured by HUD) | Maximum
Debt instruments
Prepayment premium, as a percent of principal repaid													9.00%
Watersound Camp Creek Loan
Debt instruments
Loan amount										$ 28,000
Outstanding debt	$ 27,999			13,131			$ 27,999		$ 13,131
Floor rate (as a percent)			2.60%				2.60%		2.60%
Company's liability as guarantor, upon reaching and maintaining a trailing six months of operations with a certain debt service coverage ratio (as a percent)										50.00%
Trailing period one for determining Company's liability as guarantor under loan										6 months
Company's liability as guarantor, upon reaching and maintaining a trailing twelve months operations with a certain debt service coverage ratio (as a percent)										25.00%
Trailing period two for determining Company's liability as guarantor under loan										12 months
Watersound Camp Creek Loan | SOFR
Debt instruments
Basis spread on variable rate (as a percent)	2.10%		2.10%
North Bay Landing Loan
Debt instruments
Loan amount										$ 26,800
Outstanding debt	$ 26,750			18,222			$ 26,750		$ 18,222
Floor rate (as a percent)							3.30%		3.30%
Loan extension period										18 months
Company's liability as guarantor, upon satisfaction of final advance conditions (as a percent)										50.00%
Company's liability as guarantor, upon reaching and maintaining a certain debt service coverage ratio (as a percent)										25.00%
North Bay Landing Loan | SOFR
Debt instruments
Basis spread on variable rate (as a percent)	2.60%
PPC II JV Loan (insured by HUD)
Debt instruments
Loan amount												$ 22,900
Outstanding debt	$ 22,318			22,623			$ 22,318		$ 22,623
PPC II JV Loan (insured by HUD) | Minimum
Debt instruments
Prepayment premium, as a percent of principal repaid												1.00%
PPC II JV Loan (insured by HUD) | Maximum
Debt instruments
Prepayment premium, as a percent of principal repaid												9.00%
Watercrest JV Loan
Debt instruments
Loan amount												$ 22,500
Outstanding debt	$ 20,192			21,038			20,192		21,038
Watercrest JV Loan | SOFR
Debt instruments
Basis spread on variable rate (as a percent)	2.20%
Hotel Indigo Loan
Debt instruments
Loan amount										$ 21,200
Outstanding debt	$ 18,298			10,427			$ 18,298		$ 10,427
Debt instrument, period subject to interest payments only										24 months
Floor rate (as a percent)							2.70%		2.70%
Loan extension period										60 months
Hotel Indigo Loan | Forecast
Debt instruments
Floor rate (as a percent)														2.50%
Hotel Indigo Loan | SOFR
Debt instruments
Basis spread on variable rate (as a percent)	2.70%
Hotel Indigo Loan | SOFR | Forecast
Debt instruments
Basis spread on variable rate (as a percent)														2.50%
Breakfast Point Hotel Loan
Debt instruments
Loan amount											$ 16,800
Outstanding debt	$ 16,050			16,376			$ 16,050		$ 16,376
Breakfast Point Hotel Loan | Minimum
Debt instruments
Prepayment premium, as a percent of principal repaid											1.00%
Breakfast Point Hotel Loan | Maximum
Debt instruments
Prepayment premium, as a percent of principal repaid											3.00%
Breakfast Point Hotel Loan | Treasury - 1 year Constant Maturity | Forecast
Debt instruments
Basis spread on variable rate (as a percent)															3.30%
Breakfast Point Hotel Loan | Treasury - 1 year Constant Maturity | Minimum | Forecast
Debt instruments
Interest rate during period (as a percent)															6.00%
Lodge 30A JV Loan
Debt instruments
Loan amount										$ 15,000
Outstanding debt	14,781			13,304			14,781		13,304
Debt service coverage period										24 months
Company's liability as guarantor, third year (as a percent)										75.00%
Company's liability as guarantor, period for lower liability percentage										12 months
Company's liability as guarantor, fourth year (as a percent)										50.00%
Company's liability as guarantor, fifth year (as a percent)										25.00%
Airport Hotel Loan
Debt instruments
Loan amount											$ 15,300
Outstanding debt	$ 14,561			14,642			$ 14,561		$ 14,642
Floor rate (as a percent)							3.00%		3.00%
Airport Hotel Loan | SOFR
Debt instruments
Basis spread on variable rate (as a percent)	2.10%
Topsail Hotel Loan
Debt instruments
Loan amount					$ 13,700
Outstanding debt	$ 12,307			5,199			$ 12,307		$ 5,199
Debt instrument, period subject to interest payments only					36 months
Floor rate (as a percent)							3.00%		3.00%
Topsail Hotel Loan | SOFR
Debt instruments
Basis spread on variable rate (as a percent)	2.10%
Watersound Town Center Grocery Loan
Debt instruments
Loan amount										$ 12,000
Outstanding debt	$ 10,567			11,379			$ 10,567		$ 11,379
Floor rate (as a percent)							2.30%		2.30%
Company's liability as guarantor, upon satisfaction of final advance conditions (as a percent)										50.00%
Company's liability as guarantor, upon reaching and maintaining a certain debt service coverage ratio (as a percent)										25.00%
Occupancy requirement (as a percent)										93.00%
Occupancy period										90 days
Watersound Town Center Grocery Loan | SOFR
Debt instruments
Basis spread on variable rate (as a percent)	2.10%
Beckrich Building III Loan
Debt instruments
Loan amount												$ 5,500
Outstanding debt	$ 5,014			5,020			$ 5,014		$ 5,020
Beckrich Building III Loan | SOFR
Debt instruments
Basis spread on variable rate (as a percent)	1.80%
Self-Storage Facility Loan
Debt instruments
Loan amount											$ 5,800
Outstanding debt	$ 4,666			4,666			$ 4,666		$ 4,666
Debt instrument, period subject to interest payments only											48 months
Floor rate (as a percent)							2.90%		2.90%
Self-Storage Facility Loan | Maximum
Debt instruments
Amount of liability as guarantor											$ 2,900
Self-Storage Facility Loan | SOFR
Debt instruments
Basis spread on variable rate (as a percent)	2.50%
Community Development District debt
Debt instruments
Outstanding debt	$ 2,901			4,113			$ 2,901		$ 4,113
Beach Homes Loan
Debt instruments
Loan amount													$ 1,700
Outstanding debt	$ 1,423			1,447			1,423		1,447
Number of homes financed | home													2
Beach Homes Loan | SOFR
Debt instruments
Basis spread on variable rate (as a percent)	1.70%
Pier Park Outparcel Loan
Debt instruments
Loan amount																	$ 1,600
Outstanding debt	$ 1,280			1,300			1,280		1,300
Pier Park Outparcel Loan | SOFR
Debt instruments
Basis spread on variable rate (as a percent)	1.80%
WaterColor Crossings Loan
Debt instruments
Loan amount													$ 1,900
Outstanding debt	$ 1,135			$ 1,191			$ 1,135		$ 1,191
WaterColor Crossings Loan | SOFR
Debt instruments
Basis spread on variable rate (as a percent)	1.80%