Notes Receivable (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 133,837	$ 129,304
Interest Rate	12.00%
Accrued interest	$ 3,601
Financing Receivable, Accrued Interest, After Allowance For Credit Loss, Statement Of Financial Position, Extensible List, Not Disclosed, Flag	accrued interest
Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 133,837	129,304
ABC Land and Development, Inc.
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	9.50%
ABC Land and Development, Inc. | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 4,408	4,408
Interest Rate	9.50%
ABC Paradise, LLC
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	9.50%
ABC Paradise, LLC | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 1,210	1,210
Interest Rate	9.50%
Autumn Breeze
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	5.00%
Autumn Breeze | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 2,157	2,326
Interest Rate	5.00%
Ownership interest if note converted	100.00%
Bellwether Ridge
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	5.00%
Bellwether Ridge | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 3,798	3,798
Interest Rate	5.00%
Ownership interest if note converted	100.00%
Cascades at Spring Street
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	5.38%
Cascades at Spring Street | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 180	180
Interest Rate	5.38%
Dominion at Mercer Crossing | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 6,354	0
Interest Rate	9.50%
Dominion at Mercer Crossing | Notes Receivable | Prime Rate
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	1.00%
Forest Pines
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	5.00%
Forest Pines | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 6,472	6,472
Interest Rate	5.00%
Ownership interest if note converted	100.00%
Inwood on the Park
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	5.38%
Inwood on the Park | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 20,325	20,325
Interest Rate	5.38%
Kensington Park
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	5.38%
Kensington Park | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 10,262	11,835
Interest Rate	5.38%
Lake Shore Villas
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	5.38%
Lake Shore Villas | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 6,000	6,000
Interest Rate	5.38%
Legacy Pleasant Grove
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	12.00%
Legacy Pleasant Grove | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 496	496
Interest Rate	12.00%
McKinney Ranch
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	6.00%
McKinney Ranch | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 3,926	3,926
Interest Rate	6.00%
Ocean Estates II
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	5.38%
Ocean Estates II | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 3,615	3,615
Interest Rate	5.38%
One Realco Land Holding, Inc.
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	9.50%
One Realco Land Holding, Inc. | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 1,728	1,728
Interest Rate	9.50%
Parc at Ingleside
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	5.00%
Parc at Ingleside | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 3,759	3,759
Interest Rate	5.00%
Ownership interest if note converted	100.00%
Parc at Opelika Phase II | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 3,190	3,190
Interest Rate	10.00%
Parc at Windmill Farms
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	5.00%
Parc at Windmill Farms | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 7,886	7,886
Interest Rate	5.00%
Ownership interest if note converted	100.00%
Phillips Foundation for Better Living, Inc.
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	12.00%
Phillips Foundation for Better Living, Inc. | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 182	182
Interest Rate	12.00%
Plaza at Chase Oaks
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	5.38%
Plaza at Chase Oaks | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 11,772	11,772
Interest Rate	5.38%
Plum Tree
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	5.00%
Plum Tree | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 1,767	1,767
Interest Rate	5.00%
Ownership interest if note converted	100.00%
Polk County Land | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 3,000	3,000
Interest Rate	9.50%
Riverview on the Park Land, LLC
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	9.50%
Riverview on the Park Land, LLC | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 1,045	1,045
Interest Rate	9.50%
Spartan Land
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	6.00%
Spartan Land | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 5,907	5,907
Interest Rate	6.00%
Spyglass of Ennis
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	5.00%
Spyglass of Ennis | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 5,179	5,258
Interest Rate	5.00%
Ownership interest if note converted	100.00%
Steeple Crest
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	5.00%
Steeple Crest | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 6,498	6,498
Interest Rate	5.00%
Ownership interest if note converted	100.00%
Timbers at The Park
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	5.38%
Timbers at The Park | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 11,173	11,173
Interest Rate	5.38%
Tuscany Villas
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	5.38%
Tuscany Villas | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 1,548	$ 1,548
Interest Rate	5.38%
Parc at Opelika Phase II
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	10.00%
Parc at Opelika Phase II | Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Ownership interest if note converted	100.00%