Amount of contractual principal due at origination 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.

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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 12
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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 F))
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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
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Description of contractual payment terms 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. Includes, but is not limited to, whether mortgage loan is payable at level or varying amount to maturity, balloon payment requirement at maturity, and prepayment penalty.

+ References

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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Paragraph Column D
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-Publisher FASB
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- Definition

Amount of prior lien on real estate securing 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
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-Subsection 29

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Paragraph 1
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- Definition

It represents as a mortgage loan on real estate final maturity date.

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

+ References

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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- Definition

Amount of 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.

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-Publisher FASB
-Name Accounting Standards Codification
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Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

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SCHEDULE IV MORTGAGE LOANS RECEIVABLE (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Carrying Amount of Mortgage	$ 78,595
Accrued interest	6,771
Allowance for estimated losses	(1,825)
Total notes and interest receivable	$ 83,541	$ 70,166	$ 81,133	$ 71,376
Mortgage Loans [Member] \| McKinney Ranch Land [Member]
Interest Rate	6.00%
Final Maturity Date	2020-09
Mortgage Loans [Member] \| H198, LLC [Member]
Interest Rate	12.00%
Final Maturity Date	2019-10
Periodic Payment Terms	Excess cash flow
Face Amount of Mortgage	$ 4,554
Carrying Amount of Mortgage	$ 4,554
Mortgage Loans [Member] \| H198, LLC [Member] \| Las Vegas Land [Member]
Interest Rate	12.00%
Final Maturity Date	2019-01
Periodic Payment Terms	Excess cash flow
Face Amount of Mortgage	$ 5,907
Carrying Amount of Mortgage	$ 5,907
Mortgage Loans [Member] \| H198, LLC [Member] \| Legacy at Pleasant Grove [Member]
Interest Rate	12.00%
Final Maturity Date	2019-10
Periodic Payment Terms	Excess cash flow
Face Amount of Mortgage	$ 496
Carrying Amount of Mortgage	$ 496
Mortgage Loans [Member] \| Forest Pines [Member]
Interest Rate	5.00%
Final Maturity Date	2019-09
Periodic Payment Terms	Excess cash flow
Face Amount of Mortgage	$ 2,223
Carrying Amount of Mortgage	$ 2,223
Mortgage Loans [Member] \| Spyglass Apartments of Ennis [Member]
Interest Rate	5.00%
Final Maturity Date	2019-11
Periodic Payment Terms	Excess cash flow
Face Amount of Mortgage	$ 5,083
Carrying Amount of Mortgage	$ 5,083
Mortgage Loans [Member] \| Bellwether Ridge [Member]
Interest Rate	5.00%
Final Maturity Date	2020-05
Periodic Payment Terms	Excess cash flow
Face Amount of Mortgage	$ 3,429
Carrying Amount of Mortgage	$ 3,429
Mortgage Loans [Member] \| Parc at Windmill Farms [Member]
Interest Rate	5.00%
Final Maturity Date	2020-05
Periodic Payment Terms	Excess cash flow
Face Amount of Mortgage	$ 6,066
Carrying Amount of Mortgage	$ 6,067
Mortgage Loans [Member] \| Unified Housing Foundation, Inc. (Echo Station) [Member] \| 100% Interest in UH of Temple, LLC [Member]
Interest Rate	12.00%
Final Maturity Date	2032-12
Periodic Payment Terms	Excess cash flow
Prior Liens	$ 9,719
Face Amount of Mortgage	1,809
Carrying Amount of Mortgage	$ 1,481
Mortgage Loans [Member] \| Unified Housing Foundation, Inc. (Lakeshore Villas/HFS of Humble,LLC) (35.1% of cash flow) [Member] \| Interest in Unified Housing Foundation Inc. [Member]
Interest Rate	12.00%
Final Maturity Date	2032-12
Periodic Payment Terms	Excess cash flow
Prior Liens	$ 15,756
Face Amount of Mortgage	8,836
Carrying Amount of Mortgage	$ 6,369
Mortgage Loans [Member] \| Unified Housing Foundation, Inc. (Limestone Ranch) [Member] \| 100% Interest in UH of Vista Ridge, LLC [Member]
Interest Rate	12.00%
Final Maturity Date	2032-12
Periodic Payment Terms	Excess cash flow
Prior Liens	$ 18,641
Face Amount of Mortgage	12,335
Carrying Amount of Mortgage	$ 7,953
Mortgage Loans [Member] \| Unified Housing Foundation, Inc. (Timbers of Terrell) [Member] \| 100% Interest in UH of Terrell, LLC [Member]
Interest Rate	12.00%
Final Maturity Date	2032-12
Periodic Payment Terms	Excess cash flow
Prior Liens	$ 7,294
Face Amount of Mortgage	1,702
Carrying Amount of Mortgage	$ 1,323
Mortgage Loans [Member] \| Unified Housing Foundation, Inc. (Tivoli) [Member] \| 100% Interest in UH of Tivoli, LLC [Member]
Interest Rate	12.00%
Final Maturity Date	2032-12
Periodic Payment Terms	Excess cash flow
Prior Liens	$ 10,398
Face Amount of Mortgage	10,742
Carrying Amount of Mortgage	$ 6,140
Mortgage Loans [Member] \| Oulan-Chikh Family Trust [Member]
Interest Rate	8.00%
Final Maturity Date	2021-03
Face Amount of Mortgage	$ 174
Carrying Amount of Mortgage	$ 174
Loans [Member] \| Unified Housing Foundation, Inc. (Lakeshore Villas/HFS of Humble,LLC) (68.5% of cash flow) [Member]
Interest Rate	12.00%
Final Maturity Date	2032-12
Periodic Payment Terms	Excess cash flow
Prior Liens	$ 15,965
Face Amount of Mortgage	2,189
Carrying Amount of Mortgage	$ 2,000
Loans [Member] \| Unified Housing Foundation, Inc. [Member]
Interest Rate	12.00%
Final Maturity Date	2019-12
Periodic Payment Terms	Excess cash flow
Face Amount of Mortgage	$ 3,994
Carrying Amount of Mortgage	$ 3,994
Loans [Member] \| Unified Housing Foundation, Inc. [Member]
Interest Rate	12.00%
Final Maturity Date	2019-12
Periodic Payment Terms	Excess cash flow
Face Amount of Mortgage	$ 6,407
Carrying Amount of Mortgage	$ 6,407
Loans [Member] \| Unified Housing Foundation, Inc. [Member]
Interest Rate	12.00%
Final Maturity Date	2019-06
Periodic Payment Terms	Excess cash flow
Face Amount of Mortgage	$ 5,760
Carrying Amount of Mortgage	$ 5,760
Loans [Member] \| Unified Housing Foundation, Inc. #4 [Member]
Interest Rate	12.00%
Final Maturity Date	2021-06
Periodic Payment Terms	Excess cash flow
Face Amount of Mortgage	$ 5,314
Carrying Amount of Mortgage	$ 5,314
Loans [Member] \| Various Related Party Notes [Member]
Periodic Payment Terms	Excess cash flow
Face Amount of Mortgage	$ 2,890
Carrying Amount of Mortgage	2,890
Loans [Member] \| Various Non-Related Party Notes [Member]
Face Amount of Mortgage	1,031
Carrying Amount of Mortgage	$ 1,031