DEBT - Narrative (Details)	1 Months Ended		12 Months Ended
	Nov. 30, 2022 USD ($)	Sep. 30, 2021 USD ($) apartmentProperty	Dec. 31, 2022 USD ($) apartmentProperty loan apartmentHome	Dec. 31, 2021 USD ($)	Jan. 31, 2021 USD ($)
Line of Credit Facility [Line Items]
Number of real estate properties, unencumbered by mortgages | apartmentProperty			53
Revolving lines of credit			$ 113,500,000	$ 76,000,000
Number of apartment units | apartmentHome			6,758
Weighted average interest rate			3.62%	3.26%
Carrying principal value			$ 1,011,777,000	$ 859,784,000
Number of real estate communities, serving as collateral for mortgage loans | apartmentProperty			15
Mortgages
Line of Credit Facility [Line Items]
Number of loans in default | loan			0
Mortgages | Minimum
Line of Credit Facility [Line Items]
Mortgage loans, interest rate			3.47%
Mortgages | Maximum
Line of Credit Facility [Line Items]
Mortgage loans, interest rate			4.57%
Private Shelf Agreement | Unsecured debt
Line of Credit Facility [Line Items]
Debt available for issuance			$ 25,000,000		$ 225,000,000
Original principal balance		$ 25,000,000
Carrying principal value			$ 200,000,000
Note Purchase Agreement | Unsecured debt
Line of Credit Facility [Line Items]
Original principal balance		125,000,000
Fannie Mae Credit Facility Agreement | Mortgages
Line of Credit Facility [Line Items]
Original principal balance		$ 198,900,000
Weighted average interest rate		2.78%	2.78%	2.78%
Carrying principal value			$ 198,850,000	$ 198,850,000
Fannie Mae Credit Facility Agreement | Mortgages | Interest Only Payment Date One
Line of Credit Facility [Line Items]
Term		7 years
Fannie Mae Credit Facility Agreement | Mortgages | Interest Only Payment Date Two
Line of Credit Facility [Line Items]
Term		10 years
Fannie Mae Credit Facility Agreement | Mortgages | Interest Only Payment Date Three
Line of Credit Facility [Line Items]
Term		12 years
Fannie Mae Credit Facility Agreement | Mortgages | 2021 Acquisitions
Line of Credit Facility [Line Items]
Number of apartment units | apartmentProperty		16
PNC Bank Term Loan Agreement | Unsecured debt
Line of Credit Facility [Line Items]
Term	364 days
Original principal balance	$ 100,000,000
PNC Bank Term Loan Agreement | Unsecured debt | Minimum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Line of Credit Facility [Line Items]
Interest rate spread (as a percent)	1.20%
PNC Bank Term Loan Agreement | Unsecured debt | Maximum | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Line of Credit Facility [Line Items]
Interest rate spread (as a percent)	1.75%
Lines of credit | BMO Line of Credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 250,000,000	250,000,000
Revolving lines of credit				76,000,000
Current borrowing capacity				$ 173,500,000
Accordion option		$ 400,000,000
Domestic Line of Credit | Minimum | Base Rate
Line of Credit Facility [Line Items]
Interest rate spread (as a percent)			0.25%
Domestic Line of Credit | Minimum | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Interest rate spread (as a percent)			1.25%
Domestic Line of Credit | Maximum | Base Rate
Line of Credit Facility [Line Items]
Interest rate spread (as a percent)			0.80%
Domestic Line of Credit | Maximum | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Interest rate spread (as a percent)			1.80%
Domestic Line of Credit | BMO Line of Credit
Line of Credit Facility [Line Items]
Remaining borrowing capacity			$ 136,500,000
Revolving lines of credit			$ 113,500,000
Operating line of credit, interest rate			4.12%
Operating Line of Credit | Unsecured debt
Line of Credit Facility [Line Items]
Maximum borrowing capacity			$ 6,000,000