Debt, Net - Schedule of Debt (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended	180 Months Ended
	Mar. 31, 2026	Dec. 31, 2025	Nov. 30, 2042	Apr. 30, 2027	Dec. 31, 2022
Debt instruments
Outstanding debt principal	$ 385,106	$ 396,008
Unamortized discount and debt issuance costs	(4,689)	(4,849)
Debt, Net	$ 380,417	391,159
Weighted average effective interest rate of outstanding debt (as a percent)	4.70%
Percentage of debt outstanding at fixed interest rates	82.70%
Average remaining life of debt outstanding	19 years 8 months 12 days
Watersound Origins Crossings JV Loan (insured by HUD)
Debt instruments
Effective interest rate (as a percent)	5.00%
Outstanding debt principal	$ 51,167	$ 51,328
Pier Park Resort Hotel JV Loan
Debt instruments
Basis spread on variable rate (as a percent)	2.10%	2.10%
Debt Instrument, Variable Interest Rate, Type	us-gaap:SecuredOvernightFinancingRateSofrMember	us-gaap:SecuredOvernightFinancingRateSofrMember
Effective interest rate (as a percent)	3.70%
Outstanding debt principal	$ 49,541	$ 49,817
Pier Park Resort Hotel JV Loan \| Interest rate swap
Debt instruments
Notional Amount					$ 42,000
Fixed Interest Rate (as a percent)	3.20%
Pier Park Resort Hotel JV Loan \| Interest rate swap \| Forecast
Debt instruments
Notional Amount				$ 38,700
Mexico Beach Crossings JV Loan (insured by HUD)
Debt instruments
Effective interest rate (as a percent)	3.00%
Outstanding debt principal	$ 42,360	42,510
PPN JV Loan
Debt instruments
Effective interest rate (as a percent)	6.10%
Outstanding debt principal	$ 39,803	39,922
PPC JV Loan (insured by HUD)
Debt instruments
Effective interest rate (as a percent)	3.10%
Outstanding debt principal	$ 33,479	33,616
Pearl Hotel Loan
Debt instruments
Effective interest rate (as a percent)	6.30%
Outstanding debt principal	$ 32,190	32,560
North Bay Landing Loan (Insured by HUD)
Debt instruments
Effective interest rate (as a percent)	5.90%
Outstanding debt principal	$ 27,556	$ 27,619
Watersound Camp Creek Loan
Debt instruments
Basis spread on variable rate (as a percent)	2.10%	2.10%
Debt Instrument, Variable Interest Rate, Type	us-gaap:SecuredOvernightFinancingRateSofrMember	us-gaap:SecuredOvernightFinancingRateSofrMember
Floor rate (as a percent)	2.60%	2.60%
Effective interest rate (as a percent)	5.80%
Outstanding debt principal	$ 26,689	$ 26,843
PPC II JV Loan (insured by HUD)
Debt instruments
Effective interest rate (as a percent)	2.70%
Outstanding debt principal	$ 21,256	$ 21,365
Hotel Indigo Loan
Debt instruments
Basis spread on variable rate (as a percent)	2.50%	2.50%
Debt Instrument, Variable Interest Rate, Type	us-gaap:SecuredOvernightFinancingRateSofrMember	us-gaap:SecuredOvernightFinancingRateSofrMember
Floor rate (as a percent)	2.50%	2.50%
Effective interest rate (as a percent)	6.10%
Outstanding debt principal	$ 18,815	$ 19,024
Breakfast Point Hotel Loan
Debt instruments
Effective interest rate (as a percent)	6.00%
Outstanding debt principal	$ 14,847	14,978
Breakfast Point Hotel Loan \| Forecast
Debt instruments
Basis spread on variable rate (as a percent)			3.30%
Debt Instrument, Variable Interest Rate, Type			us-gaap:UsTreasuryUstInterestRateMember
Breakfast Point Hotel Loan \| Minimum \| Forecast
Debt instruments
Interest rate during period (as a percent)			6.00%
Lodge 30A JV Loan
Debt instruments
Effective interest rate (as a percent)	3.80%
Outstanding debt principal	$ 13,446	$ 13,587
Topsail Hotel Loan
Debt instruments
Basis spread on variable rate (as a percent)	2.10%	2.10%
Debt Instrument, Variable Interest Rate, Type	us-gaap:SecuredOvernightFinancingRateSofrMember	us-gaap:SecuredOvernightFinancingRateSofrMember
Floor rate (as a percent)	3.00%	3.00%
Effective interest rate (as a percent)	5.80%
Outstanding debt principal	$ 7,858	$ 11,215
Community Development District debt
Debt instruments
Outstanding debt principal	$ 2,604	$ 2,604
Community Development District debt \| Minimum
Debt instruments
Effective interest rate (as a percent)	3.60%
Community Development District debt \| Maximum
Debt instruments
Effective interest rate (as a percent)	6.00%
Watersound Town Center Grocery Loan
Debt instruments
Basis spread on variable rate (as a percent)	2.10%	2.10%
Debt Instrument, Variable Interest Rate, Type	us-gaap:SecuredOvernightFinancingRateSofrMember	us-gaap:SecuredOvernightFinancingRateSofrMember
Floor rate (as a percent)	2.30%	2.30%
Effective interest rate (as a percent)	5.70%
Outstanding debt principal	$ 2,393	$ 4,682
Airport Hotel Loan
Debt instruments
Basis spread on variable rate (as a percent)	2.10%	2.10%
Debt Instrument, Variable Interest Rate, Type	us-gaap:SecuredOvernightFinancingRateSofrMember	us-gaap:SecuredOvernightFinancingRateSofrMember
Floor rate (as a percent)	3.00%	3.00%
Effective interest rate (as a percent)	5.80%
Outstanding debt principal	$ 1,102	$ 3,227
Beckrich Building III Loan
Debt instruments
Outstanding debt principal		$ 1,111

ST JOE Co 10-Q