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ACQUISITIONS AND DISPOSITIONS - Acquisitions (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023 acquisition	Jun. 30, 2022 USD ($) acquisition	Jun. 30, 2023 USD ($) acquisition	Jun. 30, 2022 USD ($) apartmentHome apartmentCommunity
Acquisitions and development projects placed in service [Abstract]
Number of acquisitions during period \| acquisition	0	0	0
Total acquisition cost				$ 116,874
Number of apartment communities acquired \| apartmentCommunity				3
Form of Consideration
Cash				$ 9,093
Units				22,882
Other				84,899
Investment Allocation
Land		$ 7,339		7,339
Building		106,080		106,080
Intangible assets		4,672		4,672
Other		(1,217)		(1,217)
Amortization of intangible assets			$ 893	10,600
Martin Blu - Minneapolis, MN
Acquisitions and development projects placed in service [Abstract]
Total acquisition cost				$ 49,825
Number of apartment communities acquired \| apartmentHome				191
Form of Consideration
Cash				$ 3,031
Units				18,885
Other				27,909
Investment Allocation
Land		3,547		3,547
Building		45,212		45,212
Intangible assets		1,813		1,813
Other		(747)		(747)
Elements - Minneapolis, MN
Acquisitions and development projects placed in service [Abstract]
Total acquisition cost				$ 9,066
Number of apartment communities acquired \| apartmentHome				31
Form of Consideration
Cash				$ 1,290
Units				1,748
Other				6,028
Investment Allocation
Land		941		941
Building		7,853		7,853
Intangible assets		335		335
Other		(63)		(63)
Zest - Minneapolis, MN
Acquisitions and development projects placed in service [Abstract]
Total acquisition cost				$ 11,364
Number of apartment communities acquired \| apartmentHome				45
Form of Consideration
Cash				$ 1,429
Units				2,249
Other				7,686
Investment Allocation
Land		936		936
Building		10,261		10,261
Intangible assets		574		574
Other		(407)		(407)
Noko Apartments - Minneapolis, MN
Acquisitions and development projects placed in service [Abstract]
Total acquisition cost				$ 46,619
Number of apartment communities acquired \| apartmentHome				130
Form of Consideration
Cash				$ 3,343
Units				0
Other				43,276
Investment Allocation
Land		1,915		1,915
Building		42,754		42,754
Intangible assets		1,950		1,950
Other		$ 0		$ 0