ACQUISITIONS AND DISPOSITIONS - Dispositions (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($) transaction apartmentCommunity	Jun. 30, 2022 apartmentCommunity	Jun. 30, 2023 USD ($) transaction apartmentHome apartmentCommunity	Jun. 30, 2022 apartmentCommunity
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of exchange transactions | transaction	4		4
Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale Price	$ 144,255		$ 144,255
Book Value and Sales Cost	$ 84,096		84,096
Gain/(Loss)			$ 60,159
Disposed of by Sale | All Other
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of properties sold | apartmentCommunity	0	0	9	0
Disposed of by Sale | 115 homes - Boulder Court - Eagan, MN
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of properties sold | apartmentHome			115
Sale Price	$ 14,605		$ 14,605
Book Value and Sales Cost	4,970		4,970
Gain/(Loss)			$ 9,635
Disposed of by Sale | 498 homes - 2 Nebraska apartment communities
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of properties sold | apartmentHome			498
Sale Price	48,500		$ 48,500
Book Value and Sales Cost	14,975		14,975
Gain/(Loss)			$ 33,525
Disposed of by Sale | 892 homes - 5 Minnesota apartment communities
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of properties sold | apartmentHome			892
Sale Price	74,500		$ 74,500
Book Value and Sales Cost	55,053		55,053
Gain/(Loss)			$ 19,447
Disposed of by Sale | 62 homes - Portage - Minneapolis, MN
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of properties sold | apartmentHome			62
Sale Price	6,650		$ 6,650
Book Value and Sales Cost	$ 9,098		9,098
Gain/(Loss)			$ (2,448)