NOTES PAYABLE - Narrative (Details)	Jan. 27, 2023 USD ($) property	Feb. 27, 2018	Dec. 31, 2022 USD ($) property	Dec. 31, 2021 USD ($) property	Dec. 31, 2020 property
Line of Credit Facility [Line Items]
Number of real estate properties | property			15	15	14
Revised Wells Fargo Line of Credit | Wells Fargo Bank
Line of Credit Facility [Line Items]
Wells Fargo			$ 84,800,000	$ 82,300,000
Weighted-average interest rate			5.96%	1.71%
Revised Wells Fargo Line of Credit | Wells Fargo Bank | Subsequent Event
Line of Credit Facility [Line Items]
Wells Fargo	$ 87,800,000
Weighted-average interest rate	6.31%
Maximum borrowing capacity	$ 100,000,000
Maximum borrowing capacity	250,000,000
Expansion feature, increase limit - at least	$ 25,000,000
Percentage of property value	65.00%
Percentage of minimum debt yield	10.00%
Number of real estate properties | property	6
First Amendment to Revised Wells Fargo Line of Credit | Wells Fargo Bank | Subsequent Event
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 95,847,000
Minimum | Revised Wells Fargo Line of Credit | Wells Fargo Bank | LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable interest rate		1.60%
Minimum | Revised Wells Fargo Line of Credit | Wells Fargo Bank | SOFR | Subsequent Event
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	2.00%
Maximum | Revised Wells Fargo Line of Credit | Wells Fargo Bank | LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable interest rate		1.80%
Maximum | Revised Wells Fargo Line of Credit | Wells Fargo Bank | SOFR | Subsequent Event
Line of Credit Facility [Line Items]
Basis spread on variable interest rate	2.25%