SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)		12 Months Ended
	Jul. 01, 2024 USD ($) shares	Dec. 31, 2024 USD ($) segment partnership property $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($)
Property, Plant and Equipment [Line Items]
Number of properties | property		1,074
Net book value of real estate owned		$ 4,812,496,000	$ 4,917,815,000
Carrying value		3,459,093,000	3,668,757,000
Real estate impairment charges		0	0	$ 0
Assets held for sale, net		$ 0	550,199,000
Property management fees as percent of monthly gross revenues and net sales revenues from the assets of the unconsolidated real estate ventures		4.00%
Advertising expenses		$ 15,000,000.0	15,300,000	10,000,000.0
Deferred tax liabilities		0	0
Deferred tax asset		0	0
Unrecognized tax benefits		$ 0	$ 0
Common shares of beneficial interest, par value (in dollars per share) | $ / shares		$ 0.01	$ 0.01
Number of reportable segments | segment		1
Goodwill impairment		$ 0	$ 0
Consideration for internalization of PRO structure	$ 34,600,000
Merger and internalization of PRO, net of issuance costs (in shares) | shares	775,210
Cash payment	$ 3,400,000
Consideration paid for PRO rights	$ 60,300,000
Redemptions/conversions of units (in shares) | shares	11,906,167
Consideration for PRO rights, cash payments	$ 29,200,000
Transaction costs	$ 1,400,000
Issuance of preferred shares (in shares) | shares	17,984,787	40,200
Time frame prior to conversion for conversion metric (in years)	1 year
Percentage of cash available for distribution used in conversion ratio calculation	110.00%
Estimated fair value of net assets acquired		$ 64,900,000	$ 229,500,000
Asset Acquisition From Retiredment of MoveIt
Property, Plant and Equipment [Line Items]
Redemptions/conversions of units (in shares) | shares			926,623
Payments to acquire reinsurance company			$ 12,200,000
Asset Acquisition From Retiredment of MoveIt | Affiliated entity
Property, Plant and Equipment [Line Items]
Estimated fair value of net assets acquired			$ 4,700,000
OP Units
Property, Plant and Equipment [Line Items]
Redemptions/conversions of units (in shares) | shares	773,656
OP Units | Asset Acquisition From Retiredment of MoveIt
Property, Plant and Equipment [Line Items]
Issuance of preferred shares (in shares) | shares			2,545,063
Disposal Group, Held-for-Sale, Not Discontinued Operations
Property, Plant and Equipment [Line Items]
Assets held for sale, net		$ 550,200,000
Number of real estate properties to be disposed of | property		39
Disposal Group, Held-for-Sale, Not Discontinued Operations | Participating Regional Operators In Seven States
Property, Plant and Equipment [Line Items]
Number of properties | property		56
Tenant insurance and tenant warranty protection plan
Property, Plant and Equipment [Line Items]
Revenue		$ 22,900,000	$ 24,100,000	19,800,000
Retail products and supplies
Property, Plant and Equipment [Line Items]
Revenue		1,900,000	2,300,000	2,600,000
Property management fees, call center fees, and platform fees
Property, Plant and Equipment [Line Items]
Revenue		$ 18,300,000	16,800,000	16,500,000
Property management fees as percent of monthly gross revenues and net sales revenues from the assets of the unconsolidated real estate ventures		6.00%
Platform fees per month per unconsolidated real estate venture property		$ 1,250
Call center fees as percent of of monthly gross revenues and net sales revenues from the 2016 Joint Venture properties		1.00%
Acquisition fees
Property, Plant and Equipment [Line Items]
Revenue		$ 600,000	0	1,200,000
Tenant warranty protection or tenant insurance
Property, Plant and Equipment [Line Items]
Revenue		$ 22,800,000	17,200,000	$ 9,500,000
Percent of total warranty protection plan proceeds received per unconsolidated real estate venture property (percent)		50.00%
Customer in-place leases
Property, Plant and Equipment [Line Items]
Estimated useful life		12 months
Minimum | Buildings and Improvements
Property, Plant and Equipment [Line Items]
Useful life		7 years
Minimum | Furniture and equipment
Property, Plant and Equipment [Line Items]
Useful life		3 years
Maximum | Buildings and Improvements
Property, Plant and Equipment [Line Items]
Useful life		40 years
Maximum | Furniture and equipment
Property, Plant and Equipment [Line Items]
Useful life		10 years
Fixed rate mortgages payable | Fixed rate mortgages payable
Property, Plant and Equipment [Line Items]
Carrying value		$ 200,793,000	222,757,000
VIE, Primary Beneficiary
Property, Plant and Equipment [Line Items]
Number of partnerships considered to be VIEs | partnership		22
Number of properties | property		49
Net book value of real estate owned		$ 407,100,000	418,900,000
VIE, Primary Beneficiary | Fixed rate mortgages payable | Fixed rate mortgages payable
Property, Plant and Equipment [Line Items]
Carrying value		$ 172,900,000	$ 188,700,000