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SALES OF PROPERTIES (Details) |  |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended
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Sep. 20, 2023 USD ($) | May 31, 2023 USD ($) | Feb. 28, 2023 USD ($) | Aug. 08, 2022 USD ($) | Jun. 17, 2022 USD ($) | May 02, 2022 USD ($) | Mar. 22, 2022 USD ($) | Dec. 31, 2023 USD ($) | Oct. 31, 2023 USD ($) property | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($)
SALES OF PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of real estate, net |  |  |  |  |  |  |  |  |  | $ 332,000 | $ 4,063,000 | $ 5,046,000 | $ 16,762,000
Properties disposed of by sale |  |  |  |  |  |  |  |  |  |  |  |  |
SALES OF PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Sales Price |  |  |  |  |  |  |  |  |  |  | 31,600,000 | 13,450,000 |
Gain on sale of real estate, net |  |  |  |  |  |  |  |  |  |  | 16,762,000 | 5,046,000 |
Reduction to Gain on sale of real estate, net, attributable to the write-off of other assets and receivables |  |  |  |  |  |  |  |  |  |  |  | 190,000 |
Reduction to Gain on sale of real estate, net, attributable to the write-off of unbilled rent receivable. |  |  |  |  |  |  |  |  |  |  |  | $ 123,000 | 519,000
Reduction to Gain on sale of real estate, net, attributable to the write-off of net unamortized lease liabilities and assets |  |  |  |  |  |  |  |  |  |  | $ 4,000 |  | $ 4,000
Properties disposed of by sale | TGI Fridays Restaurant, Hauppauge, New York |  |  |  |  |  |  |  |  |  |  |  |  |
SALES OF PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Sales Price |  |  | $ 4,200,000 |  |  |  |  |  |  |  |  |  |
Gain on sale of real estate, net |  |  | $ 1,534,000 |  |  |  |  |  |  |  |  |  |
Properties disposed of by sale | Haverty's retail property, Duluth, Georgia |  |  |  |  |  |  |  |  |  |  |  |  |
SALES OF PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Sales Price |  | $ 6,000,000 |  |  |  |  |  |  |  |  |  |  |
Gain on sale of real estate, net |  | $ 3,180,000 |  |  |  |  |  |  |  |  |  |  |
Properties disposed of by sale | TGI Fridays Restaurant, Greensboro, North Carolina |  |  |  |  |  |  |  |  |  |  |  |  |
SALES OF PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Sales Price | $ 3,250,000 |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of real estate, net | $ 332,000 |  |  |  |  |  |  |  |  |  |  |  |
Properties disposed of by sale | Wendy's restaurants - 4 properties, Various cities, Pennsylvania |  |  |  |  |  |  |  |  |  |  |  |  |
SALES OF PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Sales Price |  |  |  |  |  |  | $ 10,000,000 |  |  |  |  |  |
Gain on sale of real estate, net |  |  |  |  |  |  | $ 4,649,000 |  |  |  |  |  |
Properties disposed of by sale | Orlando Baking industrial property, Columbus, Ohio |  |  |  |  |  |  |  |  |  |  |  |  |
SALES OF PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Sales Price |  |  |  |  |  | $ 8,500,000 |  |  |  |  |  |  |
Gain on sale of real estate, net |  |  |  |  |  | $ 6,925,000 |  |  |  |  |  |  |
Properties disposed of by sale | Haverty's retail property, Fayetteville, Georgia |  |  |  |  |  |  |  |  |  |  |  |  |
SALES OF PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Sales Price |  |  |  |  | $ 4,800,000 |  |  |  |  |  |  |  |
Gain on sale of real estate, net |  |  |  |  | 1,125,000 |  |  |  |  |  |  |  |
Mortgage prepaid on sale of real estate |  |  |  |  | $ 1,563,000 |  |  |  |  |  |  |  |
Properties disposed of by sale | Vacant Retail Property, Columbus, Ohio |  |  |  |  |  |  |  |  |  |  |  |  |
SALES OF PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Sales Price |  |  |  | $ 8,300,000 |  |  |  |  |  |  |  |  |
Gain on sale of real estate, net |  |  |  | $ 4,063,000 |  |  |  |  |  |  |  |  |
Properties held-for-sale |  |  |  |  |  |  |  |  |  |  |  |  |
SALES OF PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |  |
Contracted sale price of property |  |  |  |  |  |  |  |  | $ 13,800,000 |  |  |  |
Properties held-for-sale | Restaurant property |  |  |  |  |  |  |  |  |  |  |  |  |
SALES OF PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties under contract for sale | property |  |  |  |  |  |  |  |  | 1 |  |  |  |
Properties held-for-sale | Retail properties |  |  |  |  |  |  |  |  |  |  |  |  |
SALES OF PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties under contract for sale | property |  |  |  |  |  |  |  |  | 2 |  |  |  |
Properties held-for-sale | Retail properties | Minimum | Forecast |  |  |  |  |  |  |  |  |  |  |  |  |
SALES OF PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of real estate, net |  |  |  |  |  |  |  | $ 6,000,000 |  |  |  |  |
Properties held-for-sale | Retail properties | Maximum | Forecast |  |  |  |  |  |  |  |  |  |  |  |  |
SALES OF PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of real estate, net |  |  |  |  |  |  |  | $ 7,000,000 |  |  |  |  |

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