SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration of Credit Risk (Details) - tenant	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Square Footage | Geographic Concentration Risk | Income Properties
CONCENTRATION OF CREDIT RISK
Concentration risk percentage			18.10%
Square Footage | Geographic Concentration Risk | Income Properties | Georgia
CONCENTRATION OF CREDIT RISK
Concentration risk percentage	29.00%	13.00%
Square Footage | Geographic Concentration Risk | Income Properties | Texas
CONCENTRATION OF CREDIT RISK
Concentration risk percentage	15.00%	16.00%
Square Footage | Geographic Concentration Risk | Income Properties | VIRGINIA
CONCENTRATION OF CREDIT RISK
Concentration risk percentage	12.00%
Square Footage | Geographic Concentration Risk | Income Properties | Florida
CONCENTRATION OF CREDIT RISK
Concentration risk percentage	11.00%	23.00%
Square Footage | Geographic Concentration Risk | Income Properties | New Mexico
CONCENTRATION OF CREDIT RISK
Concentration risk percentage		13.00%
Square Footage | Geographic Concentration Risk | Income Properties | North Carolina
CONCENTRATION OF CREDIT RISK
Concentration risk percentage		12.00%
Base Rent Revenues
CONCENTRATION OF CREDIT RISK
Number of tenants	1
Base Rent Revenues | Geographic Concentration Risk | Georgia
CONCENTRATION OF CREDIT RISK
Concentration risk percentage	33.00%
Base Rent Revenues | Geographic Concentration Risk | Texas
CONCENTRATION OF CREDIT RISK
Concentration risk percentage	16.00%
Base Rent Revenues | Geographic Concentration Risk | VIRGINIA
CONCENTRATION OF CREDIT RISK
Concentration risk percentage	13.00%
Base Rent Revenues | Geographic Concentration Risk | Florida
CONCENTRATION OF CREDIT RISK
Concentration risk percentage	12.00%
Base Rent Revenues | Customer Concentration Risk | Income Property, Wells Fargo, Raleigh, North Carolina
CONCENTRATION OF CREDIT RISK
Concentration risk percentage			10.90%