Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Real Estate Related Notes Receivable (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Dec. 31, 2025	Oct. 01, 2024	Dec. 31, 2023	Mar. 31, 2020
MultiFamily Same-Store \| Lydian - Denver, CO \| Tax Increment Financing
MORTGAGE RECEIVABLE AND NOTES RECEIVABLE
Loan commitment	$ 3.9	$ 3.9	$ 4.1
Interest rate	6.00%
MultiFamily Same-Store \| Ironwood \| Tax Increment Financing
MORTGAGE RECEIVABLE AND NOTES RECEIVABLE
Loan commitment	$ 4.6	4.9			$ 6.6
Interest rate	4.50%
Multi-Family Residential \| Inver Grove Heights Minnesota \| Mezzanine Loan
MORTGAGE RECEIVABLE AND NOTES RECEIVABLE
Loan commitment	$ 18.4	18.0		$ 15.1
Interest rate	10.00%
Mortgage loans receivable at fair value	$ 15.1	$ 15.1
Percent of membership interest pledged as collateral	100.00%