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SIGNIFICANT ACCOUNTING POLICIES - Notes Receivables (Details) $ in Thousands	1 Months Ended	6 Months Ended	12 Months Ended
	May 31, 2025 USD ($) loan	Jun. 30, 2025 USD ($) home item	Dec. 31, 2024 USD ($) home loan	Sep. 30, 2024 USD ($) home	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
SIGNIFICANT ACCOUNTING POLICIES
Notes receivable		$ 144,083	$ 286,282
Allowance for credit losses		(591)	(38,433)
Total notes receivable, net		143,492	247,849
Home operating community in Philadelphia, Pennsylvania
SIGNIFICANT ACCOUNTING POLICIES
Unaccrued interest	$ 3,900
Gain on consolidation	300
Home operating community in Philadelphia, Pennsylvania | Operating Community
SIGNIFICANT ACCOUNTING POLICIES
Developer paid for unpaid interest and reimbursement costs	$ 6,700
Note due March 2025
SIGNIFICANT ACCOUNTING POLICIES
Notes receivable			42,807
Aggregate commitment on note receivable			32,500
Notes Due October 2025 and May 2026
SIGNIFICANT ACCOUNTING POLICIES
Notes receivable			$ 106,271
Number of loans | loan	3		3
Number of apartment homes | home			478
Aggregate commitment on note receivable			$ 205,500
Loan reserve on notes			37,600
Note due December 2026 | Home Community, Riverside, California
SIGNIFICANT ACCOUNTING POLICIES
Notes receivable		$ 75,673	71,873
Note receivable interest rate		11.00%
Number of apartment homes | home		482
Aggregate commitment on note receivable		$ 59,700
Number of extension options | item		2
Term of notes receivable extension options		1 year
Note due December 2026 | Home Community, Menifee, California
SIGNIFICANT ACCOUNTING POLICIES
Number of apartment homes | home		237
Aggregate commitment on note receivable		$ 24,400
Number of extension options | item		2
Term of notes receivable extension options		1 year
Note due December 2026 | Home Community, Menifee, California
SIGNIFICANT ACCOUNTING POLICIES
Notes receivable		$ 30,655	29,090
Note receivable interest rate		11.00%
Note due June 2027
SIGNIFICANT ACCOUNTING POLICIES
Notes receivable		$ 4,883	4,470
Note receivable interest rate		18.00%
Aggregate commitment on note receivable					$ 3,000	$ 1,500
Total revolving credit facility					$ 19,000	$ 16,000
Note due September 2027
SIGNIFICANT ACCOUNTING POLICIES
Notes receivable		$ 32,872	$ 31,771
Note receivable interest rate		7.32%
Original amount of notes receivable				$ 31,100
Basis spread on variable rate				3.00%
Note due September 2027 | Home Community, Santa Monica, California
SIGNIFICANT ACCOUNTING POLICIES
Number of apartment homes | home				66

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