DEBT - Schedule of Debt (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) apartmentCommunity	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Total debt	$ 929,081	$ 919,990
Weighted average interest rate	3.59%	3.54%
Weighted average maturity (in years)	6 years 3 days
Mortgages
Debt Instrument [Line Items]
Number of real estate properties, serving as collateral for mortgage loans | apartmentCommunity	14
Mortgages payable - Fannie Mae credit facility | Mortgages
Debt Instrument [Line Items]
Total debt	$ 198,850	$ 198,850
Weighted average interest rate	2.78%	2.78%
Weighted average maturity (in years)	7 years 3 months 21 days
Mortgages payable - other | Mortgages
Debt Instrument [Line Items]
Total debt	$ 389,874	$ 391,140
Weighted average interest rate	4.05%	4.05%
Weighted average maturity (in years)	5 years 6 months 18 days
Unsecured Debt
Debt Instrument [Line Items]
Total debt	$ 340,357	$ 330,000
Weighted average maturity (in years)	5 years 9 months 18 days
Unsecured Debt | Line of Credit
Debt Instrument [Line Items]
Total debt	$ 40,357	$ 30,000
Weighted average interest rate	6.68%	6.74%
Weighted average maturity (in years)	1 year 5 months 26 days
Unsecured Debt | Unsecured Senior Notes
Debt Instrument [Line Items]
Total debt	$ 300,000	$ 300,000
Weighted average interest rate	3.12%	3.12%
Weighted average maturity (in years)	6 years 4 months 17 days