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Notes Receivable - Schedule of Notes Receivable (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 139,609	$ 136,607
Ownership interest if note converted	100.00%
Notes Receivable
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 139,609	136,607
Notes Receivable | ABC Land and Development, Inc.
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%
Notes Receivable | ABC Paradise, LLC
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%
Notes Receivable | Autumn Breeze
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 2,326	2,486
Interest Rate	5.00%
Notes Receivable | Bellwether Ridge
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 3,798	3,967
Interest Rate	5.00%
Notes Receivable | Forest Pines
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%
Notes Receivable | Lake Wales
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%
Notes Receivable | Legacy Pleasant Grove
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 496	496
Interest Rate	12.00%
Notes Receivable | McKinney Ranch
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 3,926	4,554
Interest Rate	6.00%
Notes Receivable | One Realco Land Holding, Inc.
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%
Notes Receivable | Parc at Ingleside
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 3,759	3,700
Interest Rate	5.00%
Notes Receivable | Parc at Opelika Phase II
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 3,190	2,305
Interest Rate	10.00%
Notes Receivable | Parc at Windmill Farms
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 7,886	7,830
Interest Rate	5.00%
Notes Receivable | Phillips Foundation for Better Living, Inc.
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 182	813
Interest Rate	12.00%
Notes Receivable | Plum Tree
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 1,767	1,537
Interest Rate	5.00%
Notes Receivable | Riverview on the Park Land, LLC
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%
Notes Receivable | Spartan Land
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 5,907	5,907
Interest Rate	12.00%
Notes Receivable | Spyglass of Ennis
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 5,258	5,319
Interest Rate	5.00%
Notes Receivable | Steeple Crest
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%
Notes Receivable | Unified Housing Foundation., Maturing July 31, 2021
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 2,881	2,881
Interest Rate	12.00%
Notes Receivable | Unified Housing Foundation., Maturing August 30, 2021
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 212	212
Interest Rate	12.00%
Notes Receivable | Unified Housing Foundation., Maturing October 31, 2021
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 6,831	6,831
Interest Rate	12.00%
Notes Receivable | Unified Housing Foundation.., Maturing December 31, 2021
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 10,401	10,401
Interest Rate	12.00%
Notes Receivable | Unified Housing Foundation., Maturing March 31, 2022
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 10,096	10,096
Interest Rate	12.00%
Notes Receivable | Unified Housing Foundation., Maturing March 31, 2023
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 6,990	6,990
Interest Rate	12.00%
Notes Receivable | Unified Housing Foundation., Maturing May 31, 2023
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 3,615	3,615
Interest Rate	12.00%
Notes Receivable | Unified Housing Foundation., Maturing December 31, 2032
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 27,477	24,053
Interest Rate	12.00%
Notes Receivable | Unified Housing Foundation., Maturing March 31, 2024
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 6,521	6,521
Interest Rate	12.00%
Notes Receivable | Unified Housing Foundation., Maturing April 30, 2024
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 1,549	1,549
Interest Rate	12.00%
Notes Receivable | Unified Housing Foundation., Maturing June 30, 2024
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Notes receivable	$ 180	$ 183
Interest Rate	12.00%

X

- Definition

Financing Receivable, Convertible, Conversion Feature, Ownership Interest

+ References

No definition available.

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- Definition

Interest rate of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Paragraph Column B
-Subsection 29

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column B))
-URI https://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

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