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Related Party Transactions Kingwood Place, L.P. (Details) $ in Thousands				12 Months Ended
	Oct. 31, 2019 USD ($)	Dec. 06, 2018 USD ($)	Aug. 03, 2018 USD ($) a	Dec. 31, 2024 USD ($)
Kingwood Place [Member]
Related Party Transaction [Line Items]
Payments to Acquire Land			$ 13,500
Stratus Kingwood, L.P.
Related Party Transaction [Line Items]
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest	33.33%
Payments to Acquire Interest in Subsidiaries and Affiliates	$ 5,800
Stratus Properties Inc | Kingwood Place [Member]
Related Party Transaction [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners				60.00%
LCHM Holdings, L.L.C. [Member] | Stratus Kingwood, L.P.
Related Party Transaction [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners			8.80%
Stratus Kingwood, L.P.
Related Party Transaction [Line Items]
Proceeds from Issuance of Private Placement		$ 15,000	$ 10,700
Area of Land | a			54
Stratus Kingwood, L.P. | Land Available for Development [Member]
Related Party Transaction [Line Items]
Payments to Acquire Land			$ 7,000
Stratus Kingwood, L.P. | Kingwood Place Construction Loan [Member] | Notes Payable to Banks [Member]
Related Party Transaction [Line Items]
Debt Instrument, Face Amount		$ 32,900	$ 6,800
Stratus Kingwood, L.P. | Kingwood Place [Member] | Asset Management Fee [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Amounts of Transaction				$ 283
Stratus Kingwood, L.P. | Kingwood Place [Member] | Development And Construction Management Fee [Member]
Related Party Transaction [Line Items]
Property Management Fee, Percent Fee				4.00%
JBM Trust | Stratus Kingwood, L.P.
Related Party Transaction [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners			8.80%

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