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NOTES AND INTEREST RECEIVABLE (Details) - USD ($) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Performing loans, total |  | $ 97,775 |  |  |
Non-Performing |  | 30,090 |  |  |
Accrued interest |  | 7,249 |  |  |
Allowance for estimated losses |  | (15,770) |  |  |
Total notes receivable |  | 112,095 | $ 126,564 | $ 120,243 | $ 152,645
Performing Loans [Member] |  |  |  |  |
Performing loans, total |  | 127,865 |  |  |
Accrued interest |  | $ 9,952 |  |  |
Performing Loans [Member] | H198, LLC (Las Vegas Land) [Member] |  |  |  |  |
Maturity Date |  | Jan. 31, 2020 |  |  |
Description of property |  | Las Vegas Land |  |  |
Interest Rate |  | 12.00% |  |  |
Performing loans, total |  | $ 5,907 |  |  |
Description of Security |  | Secured |  |  |
Performing Loans [Member] | Leman Development, Ltd [Member] |  |  |  |  |
Interest Rate | [1] | 0.00% |  |  |
Performing loans, total | [1] | $ 1,500 |  |  |
Description of Security | [1] | Unsecured |  |  |
Performing Loans [Member] | Oulan-Chikh Family Trust [Member] |  |  |  |  |
Maturity Date | [2] | Mar. 31, 2021 |  |  |
Interest Rate | [2] | 8.00% |  |  |
Performing loans, total | [2] | $ 174 |  |  |
Description of Security | [2] | Secured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. (Cliffs of El Dorado) |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2032 |  |  |
Description of property | [2] | Cliffs of El Dorado |  |  |
Interest Rate | [2] | 12.00% |  |  |
Description of Security | [2] | Secured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. (Echo Station) [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2032 |  |  |
Description of property | [2] | Echo Station |  |  |
Interest Rate | [2] | 12.00% |  |  |
Performing loans, total | [2] | $ 1,481 |  |  |
Description of Security | [2] | Secured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. (Inwood on the Park) [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2032 |  |  |
Description of property | [2] | Inwood Park |  |  |
Interest Rate | [2] | 12.00% |  |  |
Performing loans, total | [2] | $ 3,639 |  |  |
Description of Security | [2] | Secured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. (Kensington Park) [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2032 |  |  |
Description of property | [2] | Kensington Park |  |  |
Interest Rate | [2] | 12.00% |  |  |
Performing loans, total | [2] | $ 3,933 |  |  |
Description of Security | [2] | Secured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. (Lakeshore Villas #1) [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2032 |  |  |
Description of property | [2] | Lakeshore Villas |  |  |
Interest Rate | [2] | 12.00% |  |  |
Performing loans, total | [2] | $ 2,000 |  |  |
Description of Security | [2] | Secured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. (Lakeshore Villas #2) [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2032 |  |  |
Description of property | [2] | Lakeshore Villas |  |  |
Interest Rate | [2] | 12.00% |  |  |
Performing loans, total | [2] | $ 9,101 |  |  |
Description of Security | [2] | Secured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. (Limestone Canyon #1) [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2032 |  |  |
Description of property | [2] | Limestone Canyon |  |  |
Interest Rate | [2] | 12.00% |  |  |
Description of Security | [2] | Secured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. (Limestone Canyon #2) [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2032 |  |  |
Description of property | [2] | Limestone Canyon |  |  |
Interest Rate | [2] | 12.00% |  |  |
Description of Security | [2] | Secured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. (Limestone Ranch #1) [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2032 |  |  |
Description of property | [2] | Limestone Ranch |  |  |
Interest Rate | [2] | 12.00% |  |  |
Performing loans, total | [2] | $ 1,953 |  |  |
Description of Security | [2] | Secured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. (Limestone Ranch #2) [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2032 |  |  |
Description of property | [2] | Limestone Ranch |  |  |
Interest Rate | [2] | 12.00% |  |  |
Performing loans, total | [2] | $ 6,000 |  |  |
Description of Security | [2] | Secured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. (Parkside Crossing) [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2032 |  |  |
Description of property | [2] | Parkside Crossing |  |  |
Interest Rate | [2] | 12.00% |  |  |
Description of Security | [2] | Secured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. (Reserve at White Rock Phase I) [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2032 |  |  |
Description of property | [2] | Reserve at White Rock Phase I |  |  |
Interest Rate | [2] | 12.00% |  |  |
Performing loans, total | [2] | $ 2,485 |  |  |
Description of Security | [2] | Secured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. (Reserve at White Rock Phase II) [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2032 |  |  |
Description of property | [2] | Reserve at White Rock Phase II |  |  |
Interest Rate | [2] | 12.00% |  |  |
Performing loans, total | [2] | $ 2,555 |  |  |
Description of Security | [2] | Secured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. (Sendero Ridge #1) [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2032 |  |  |
Description of property | [2] | Sendero Ridge |  |  |
Interest Rate | [2] | 12.00% |  |  |
Description of Security | [2] | Secured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. (Sendero Ridge #2) [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2032 |  |  |
Description of property | [2] | Sendero Ridge |  |  |
Interest Rate | [2] | 12.00% |  |  |
Description of Security | [2] | Secured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. (Timbers of Terrell) [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2032 |  |  |
Description of property | [2] | Timbers of Terrell |  |  |
Interest Rate | [2] | 12.00% |  |  |
Performing loans, total | [2] | $ 1,323 |  |  |
Description of Security | [2] | Secured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. (Tivoli) [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2032 |  |  |
Description of property | [2] | Tivoli |  |  |
Interest Rate | [2] | 12.00% |  |  |
Performing loans, total | [2] | $ 7,966 |  |  |
Description of Security | [2] | Secured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. (Trails at White Rock) [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2032 |  |  |
Description of property | [2] | Trails at White Rock |  |  |
Interest Rate | [2] | 12.00% |  |  |
Performing loans, total | [2] | $ 3,815 |  |  |
Description of Security | [2] | Secured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. #1 [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2017 |  |  |
Description of property |  | Unified Housing Foundation, Inc. #1 |  |  |
Interest Rate | [2] | 12.00% |  |  |
Description of Security | [2] | Unsecured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. #2 [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2018 |  |  |
Description of property |  | Unified Housing Foundation, Inc. #2 |  |  |
Interest Rate | [2] | 12.00% |  |  |
Performing loans, total | [2] | $ 3,994 |  |  |
Description of Security | [2] | Unsecured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. #3 [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2018 |  |  |
Description of property | [2] | Unified Housing Foundation, Inc. #3 |  |  |
Interest Rate | [2] | 12.00% |  |  |
Performing loans, total | [2] | $ 6,407 |  |  |
Description of Security | [2] | Unsecured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. #4 [Member] |  |  |  |  |
Maturity Date | [2] | Jun. 30, 2020 |  |  |
Description of property | [2] | Unified Housing Foundation, Inc. #4 |  |  |
Interest Rate | [2] | 12.00% |  |  |
Performing loans, total | [2] | $ 5,760 |  |  |
Description of Security | [2] | Unsecured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. #5 [Member] |  |  |  |  |
Maturity Date | [2] | Dec. 31, 2016 |  |  |
Description of property | [2] | Unified Housing Foundation, Inc. #5 |  |  |
Interest Rate | [2] | 12.00% |  |  |
Description of Security | [2] | Unsecured |  |  |
Performing Loans [Member] | Unified Housing Foundation, Inc. #6 [Member] |  |  |  |  |
Maturity Date |  | Jun. 30, 2019 |  |  |
Description of property |  | Unified Housing Foundation, Inc. #6 |  |  |
Interest Rate |  | 12.00% |  |  |
Description of Security |  | Unsecured |  |  |
Performing Loans [Member] | Other Related Party Notes #1 [Member] |  |  |  |  |
Description of Interest Rate |  | Various |  |  |
Performing loans, total |  | $ 1,349 |  |  |
Description of Security |  | Various secured interests |  |  |
Performing Loans [Member] | Other Related Party Notes #2 [Member] |  |  |  |  |
Description of Interest Rate |  | Various |  |  |
Performing loans, total |  | $ 465 |  |  |
Description of Security |  | Various unsecured interests |  |  |
Performing Loans [Member] | Other Non-Related Party Notes #1 [Member] |  |  |  |  |
Description of Interest Rate |  | Various |  |  |
Performing loans, total |  | $ 3,466 |  |  |
Description of Security |  | Various secured interests |  |  |
Performing Loans [Member] | Other Non-Related Party Notes #2 [Member] |  |  |  |  |
Description of Interest Rate |  | Various |  |  |
Performing loans, total |  | $ 15,252 |  |  |
Description of Security |  | Various unsecured interests |  |  |
Nonperforming Loans [Member] |  |  |  |  |
Non-Performing |  | $ 30,090 |  |  |
Accrued interest |  | $ 2,703 |  |  |
Nonperforming Loans [Member] | One Realco Corp [Member] |  |  |  |  |
Maturity Date |  | Jan. 31, 2017 |  |  |
Interest Rate |  | 3.00% |  |  |
Non-Performing | [1],[2] | $ 7,000 |  |  |
Description of Security |  | Unsecured |  |  |
Nonperforming Loans [Member] | Realty Advisors Mgmt [Member] |  |  |  |  |
Maturity Date |  | Dec. 31, 2016 |  |  |
Interest Rate |  | 2.28% |  |  |
Non-Performing | [2] | $ 20,387 |  |  |
Description of Security |  | Unsecured |  |  |
[1] | An allowance was taken for estimated losses at full value of note.
[2] | Related party notes

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