Mortgages and Other Notes Payable - Schedule of Debt (Details) $ in Thousands	Jul. 10, 2024 USD ($)	Mar. 15, 2023 USD ($) extension_option	Dec. 31, 2024 USD ($)	Feb. 08, 2024	Dec. 31, 2023 USD ($)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			$ 181,856		$ 179,141
Alera
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Proceeds from construction loans payable		$ 33,000
Variable interest rate		3.00%
Number of extension options | extension_option		2
Extension term		1 year
Mortgages and Other Notes Payable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			181,856		179,141
Mortgages and Other Notes Payable | 770 South Post Oak
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			$ 10,939		11,187
Interest Rate			4.36%
Mortgages and Other Notes Payable | Alera
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			$ 8,554		0
Interest Rate			7.55%
Mortgages and Other Notes Payable | Blue Lake Villas
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			$ 9,327		9,503
Interest Rate			3.15%
Mortgages and Other Notes Payable | Blue Lake Villas Phase II
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			$ 3,271		3,349
Interest Rate			2.85%
Mortgages and Other Notes Payable | Chelsea
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			$ 7,878		8,064
Interest Rate			3.36%
Mortgages and Other Notes Payable | EQK Portage
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			$ 3,350		3,350
Interest Rate			5.00%
Mortgages and Other Notes Payable | Forest Grove
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable	$ 6,558		$ 6,421		6,988
Interest Rate			7.50%
Variable interest rate	2.15%
Mortgages and Other Notes Payable | Landing on Bayou Cane
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			$ 14,162		14,442
Interest Rate			3.52%
Mortgages and Other Notes Payable | Legacy at Pleasant Grove
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			$ 12,381		12,716
Interest Rate			3.55%
Mortgages and Other Notes Payable | Northside on Travis
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			$ 11,125		11,394
Interest Rate			2.50%
Mortgages and Other Notes Payable | Parc at Denham Springs
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			$ 16,048		16,399
Interest Rate			3.75%
Mortgages and Other Notes Payable | Parc at Denham Springs Phase II
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			$ 15,419		15,608
Interest Rate			4.05%
Mortgages and Other Notes Payable | RCM HC Enterprises
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			$ 5,086		5,086
Interest Rate			5.00%
Mortgages and Other Notes Payable | Residences at Holland Lake
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			$ 10,219		10,424
Interest Rate			3.60%
Mortgages and Other Notes Payable | Villas at Bon Secour
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			$ 18,798		19,205
Interest Rate			3.08%
Mortgages and Other Notes Payable | Villas of Park West I
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			$ 8,983		9,181
Interest Rate			3.04%
Mortgages and Other Notes Payable | Villas of Park West II
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			$ 8,158		8,334
Interest Rate			3.18%
Mortgages and Other Notes Payable | Vista Ridge
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			$ 9,342		9,512
Interest Rate			4.00%
Mortgages and Other Notes Payable | Windmill Farms
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Mortgages and other notes payable			$ 2,395		$ 4,399
Interest Rate			7.50%	7.50%