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RELATED PARTY TRANSACTIONS - Other (Details) - USD ($)	3 Months Ended						9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022
Chairman | General and administrative expense
Related Party Transactions
Quarterly fees paid	$ 78,250	$ 78,250	$ 78,250	$ 78,250	$ 78,250	$ 78,250
Vice Chairman | General and administrative expense
Related Party Transactions
Quarterly fees paid	31,300	$ 31,300	$ 31,300	31,300	$ 31,300	$ 31,300
Affiliated Entity | Gould Investors L.P.
Related Party Transactions
Amount of insurance reimbursed	1,093,000			586,000			$ 1,093,000	$ 586,000
Affiliated Entity | Gould Investors L.P. | Real estate expenses
Related Party Transactions
Insurance expense recognized of amounts reimbursed to related party	$ 363,000			$ 187,000			$ 613,000	$ 793,000

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(i))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(ii))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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