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Mortgages and Other Notes Payable - Schedule of Debt (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Mortgages and other notes payable | $ 169,205 | $ 183,392
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 | $ 11,596 | 11,635
Effective Interest Rate | 4.40% |
Mortgages and other notes payable | Athens |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Mortgages and other notes payable | $ 1,155 | 1,155
Effective Interest Rate | 4.00% |
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 | $ 7,996 | 8,037
Effective Interest Rate | 3.40% |
Mortgages and other notes payable | EQK Portage - Land |  |
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
Effective Interest Rate | 10.00% |
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 | $ 7,220 | 7,263
Effective Interest Rate | 3.75% |
Mortgages and other notes payable | Landing Bayou |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Mortgages and other notes payable | $ 14,345 | 14,407
Effective Interest Rate | 3.50% |
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 | $ 13,275 | 13,352
Effective Interest Rate | 3.60% |
Mortgages and other notes payable | New Concept Energy |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Mortgages and other notes payable | $ 3,542 | 3,542
Effective Interest Rate | 6.00% |
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 | $ 15,919 | 15,962
Effective Interest Rate | 4.10% |
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
Effective Interest Rate | 9.50% |
Mortgages and other notes payable | Standford Center |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Mortgages and other notes payable | $ 38,844 | 38,979
Effective Interest Rate | 6.00% |
Mortgages and other notes payable | Sugar Mill Phase III |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Mortgages and other notes payable | $ 9,196 | 9,216
Effective Interest Rate | 4.50% |
Mortgages and other notes payable | Toulon |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Mortgages and other notes payable | $ 0 | 13,697
Effective Interest Rate | 3.20% |
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 | $ 19,496 | 19,492
Effective Interest Rate | 3.08% |
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 | $ 9,792 | 9,830
Effective 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 | $ 8,393 | $ 8,389
Effective Interest Rate | 5.00% |

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