RELATED PARTY TRANSACTIONS - Narrative (Details)	3 Months Ended
	Mar. 31, 2026 USD ($) loan quarter	Mar. 31, 2025 USD ($)	Dec. 31, 2025 USD ($)
Related Party Transaction [Line Items]
Management fee renewal term (in years)	1 year
Management agreement termination, termination fee times average annual base management free and incentive fees received	3
Management fee look back period (in months)	24 months
Loans held for investment	$ 1,629,366,000		$ 1,528,806,000
Number of affiliates of company's manager that may originate commercial real estate loans (or more) | loan	1
Residential
Related Party Transaction [Line Items]
Loans held for investment	$ 722,900,000		$ 524,800,000
ACREM
Related Party Transaction [Line Items]
Base management fees as a percentage of stockholders' equity per annum	1.50%
Incentive fee payable (not less than)	$ 0
Percentage multiplied to arrive at first value affecting calculation of incentive fees	20.00%
Previous period for which core earnings are considered to arrive at first value affecting calculation of incentive fees (in months)	12 months
Previous period for product of weighted average price per share and weighted average number of shares of common stock and other shares (in months)	12 months
Percentage multiplied to arrive at difference of first value affecting calculation of incentive fees	8.00%
Related party transaction, number of fiscal quarter | quarter	3
Period whose fiscal quarters are considered to arrive at first value affecting calculation of incentive fees (in months)	12 months
Minimum cumulative core earnings, number of quarters | quarter	12
Minimum cumulative core earnings for calculation of incentive fee	$ 0
ACREM | Continuing Operations
Related Party Transaction [Line Items]
Incentive fees incurred	3,235,000	$ 3,598,000
ACREM | Incentive fees | Continuing Operations
Related Party Transaction [Line Items]
Incentive fees incurred	$ 0	$ 0