LOANS HELD FOR INVESTMENT - Schedule of Current Investment Portfolio (Details) $ in Thousands	1 Months Ended	3 Months Ended
	Oct. 31, 2025 USD ($)	Mar. 31, 2026 USD ($) option	Dec. 31, 2025 USD ($)	Sep. 19, 2024 USD ($)	Sep. 08, 2023 USD ($)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 1,711,278	$ 1,601,059
Carrying Value		$ 1,629,366	1,528,806
Unleveraged Effective Yield		5.80%
Payments to interests		$ 1,700
Total unfunded commitments		$ 89,695	$ 59,876
Minimum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of extension options | option		1
Maximum
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Number of extension options | option		2
Extension period of maturity date (in months)		12 months
Residential/Condo | Senior Mortgage Loans | NY | SOFR Plus 8.95% Due Dec 2026
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 179,800
Carrying Value		$ 136,500
Interest Rate		8.95%
Unleveraged Effective Yield		0.00%
Office | IL
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate Under Subordinated Debt and Preferred Equity Investments		10.00%
Office | AZ | Subordinated B Note
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate Under Subordinated Debt and Preferred Equity Investments	12.00%
Office | AZ | Subordinated C Note Loan
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate Under Subordinated Debt and Preferred Equity Investments	5.50%
Office | Senior Mortgage Loans | NY | SOFR Plus 2.65% Due Jul 2028
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 65,000
Carrying Value		$ 65,000
Interest Rate		2.65%
Unleveraged Effective Yield		6.30%
Office | Senior Mortgage Loans | NY | SOFR Plus 8.95% Due Dec 2025
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		8.95%
Office | Senior Mortgage Loans | IL | SOFR Plus 2.25% Due Jan 2026
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 167,600
Carrying Value		$ 138,000
Unleveraged Effective Yield		0.00%
Office | Senior Mortgage Loans | IL | SOFR Plus 4.25% Due Jan 2027
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 54,000
Carrying Value		$ 53,900
Interest Rate		4.25%
Unleveraged Effective Yield		8.00%
Office | Senior Mortgage Loans | IL | SOFR Plus 2.25 %, Due July 2025
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate		2.25%
Office | Senior Mortgage Loans | NC
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal				$ 68,600
Office | Senior Mortgage Loans | NC | SOFR Plus 3.65% Due Aug 2028
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 72,700
Carrying Value		$ 72,700
Interest Rate		3.65%
Unleveraged Effective Yield		7.30%
Office | Senior Mortgage Loans | Diversified | SOFR Plus 3.75% Due Jul 2026
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 13,800
Carrying Value		$ 13,700
Interest Rate		3.75%
Unleveraged Effective Yield		10.30%
Office | Senior Mortgage Loans | CA | SOFR Plus 2.65% Due Jul 2027 | Subordinated B Note
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 0
Office | Senior Mortgage Loans | CA | SOFR Plus 2.65% Due Jul 2027 | Senior A Note
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Total unfunded commitments		500
Office | Senior Mortgage Loans | AZ | SOFR Plus 2.00%, Due Oct 2027
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		65,000
Carrying Value		$ 65,000
Interest Rate		2.00%
Unleveraged Effective Yield		5.70%
Office | Senior Mortgage Loans | AZ | SOFR Plus 2.00%, Due Oct 2027 | Subordinated B Note
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal	$ 0
Office | Senior Mortgage Loans | AZ | SOFR Plus 2.00%, Due Oct 2027 | Senior A Note
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	2.00%
Office | Senior Mortgage Loans | AZ | SOFR Plus 2.00%, Due Oct 2027 | Senior A Note | Unfunded Loan Commitment
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal	$ 12,000
Office | Subordinated debt and preferred equity investments | AZ | SOFR Plus 2.00%, Due Oct 2027
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 8,500
Carrying Value		$ 8,400
Unleveraged Effective Yield		6.60%
Multifamily | Senior Mortgage Loans | NY | SOFR Plus 3.90% Due Jun 2026
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 132,200
Carrying Value		$ 131,900
Interest Rate		3.90%
Unleveraged Effective Yield		8.60%
Multifamily | Senior Mortgage Loans | NY | SOFR Plus 2.45% Due Mar 2029
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 78,900
Carrying Value		$ 77,900
Interest Rate		2.45%
Unleveraged Effective Yield		6.60%
Multifamily | Senior Mortgage Loans | NC | SOFR Plus 2.40% Due Oct 2027
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 50,000
Carrying Value		$ 49,600
Interest Rate		2.40%
Unleveraged Effective Yield		6.60%
Multifamily | Senior Mortgage Loans | TX | SOFR Plus 2.95% Due Dec 2026
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 67,900
Carrying Value		$ 67,600
Interest Rate		2.95%
Unleveraged Effective Yield		7.20%
Multifamily | Senior Mortgage Loans | TX | SOFR Plus 2.60% Due May 2026
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 18,200
Carrying Value		$ 18,200
Interest Rate		2.60%
Unleveraged Effective Yield		6.60%
Multifamily | Senior Mortgage Loans | OH | SOFR Plus 3.05% Due Oct 2026
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 57,300
Carrying Value		$ 57,200
Interest Rate		3.05%
Unleveraged Effective Yield		7.10%
Multifamily | Senior Mortgage Loans | MA | SOFR Plus 3.10% Due Oct 2027
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 48,900
Carrying Value		$ 48,600
Interest Rate		3.10%
Unleveraged Effective Yield		7.30%
Industrial | Senior Mortgage Loans | GA | SOFR Plus 2.25% Due Oct 2028
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 96,800
Carrying Value		$ 96,000
Interest Rate		2.25%
Unleveraged Effective Yield		6.30%
Industrial | Senior Mortgage Loans | CA | SOFR Plus 3.00% Due Nov 2028
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 52,600
Carrying Value		$ 52,200
Interest Rate		3.00%
Unleveraged Effective Yield		7.00%
Industrial | Senior Mortgage Loans | CA | SOFR Plus 3.85% Due Jan 2027
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 7,000
Carrying Value		$ 7,000
Interest Rate		3.85%
Unleveraged Effective Yield		7.50%
Industrial | Senior Mortgage Loans | MA | SOFR Plus 2.90% Due Jun 2028
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 45,600
Carrying Value		$ 45,500
Interest Rate		2.90%
Unleveraged Effective Yield		6.70%
Industrial | Senior Mortgage Loans | NJ | SOFR Plus 8.85% Due Nov 2024
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 27,800
Carrying Value		$ 27,800
Interest Rate		8.85%
Unleveraged Effective Yield		12.50%
Industrial | Subordinated debt and preferred equity investments | CA | SOFR Plus 3.85% Due Jan 2027
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 12,600
Carrying Value		$ 10,900
Unleveraged Effective Yield		0.00%
Interest Rate Under Subordinated Debt and Preferred Equity Investments		3.85%
Self Storage | Senior Mortgage Loans | Diversified | SOFR Plus 2.50% Due Dec 2028
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 70,500
Carrying Value		$ 69,900
Interest Rate		2.50%
Unleveraged Effective Yield		6.50%
Self Storage | Senior Mortgage Loans | AZ | SOFR Plus 3.25% Due Feb 2028
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 10,700
Carrying Value		$ 10,600
Interest Rate		3.25%
Unleveraged Effective Yield		7.20%
Self Storage | Senior Mortgage Loans | MA | SOFR Plus 3.00% Due Nov 2026
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 7,700
Carrying Value		$ 7,700
Interest Rate		3.00%
Unleveraged Effective Yield		6.90%
Self Storage | Senior Mortgage Loans | FL | SOFR Plus 3.25% Due Dec 2027
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 12,100
Carrying Value		$ 12,100
Interest Rate		3.25%
Unleveraged Effective Yield		7.10%
Self Storage | Senior Mortgage Loans | FL | SOFR Plus 3.75% Due Jun 2028
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 9,500
Carrying Value		$ 9,400
Interest Rate		3.75%
Unleveraged Effective Yield		7.60%
Self Storage | Senior Mortgage Loans | FL | SOFR Plus 3.50% Due Apr 2028
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 7,000
Carrying Value		$ 6,900
Interest Rate		3.50%
Unleveraged Effective Yield		7.50%
Self Storage | Senior Mortgage Loans | IN | SOFR Plus 3.60% Due Jun 2026
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 11,400
Carrying Value		$ 11,400
Interest Rate		3.60%
Unleveraged Effective Yield		7.40%
Self Storage | Senior Mortgage Loans | PA | SOFR Plus 3.50% Due May 2028
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 8,800
Carrying Value		$ 8,700
Interest Rate		3.50%
Unleveraged Effective Yield		7.50%
Retail | Senior Mortgage Loans | CA | SOFR Plus 2.75%, Due Mar 2029
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 67,000
Carrying Value		$ 66,300
Interest Rate		2.75%
Unleveraged Effective Yield		6.80%
Hotel | Senior Mortgage Loans | NY | SOFR Plus 4.40% Due Mar 2027
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 55,700
Carrying Value		$ 55,500
Interest Rate		4.40%
Unleveraged Effective Yield		8.30%
Hotel | Senior Mortgage Loans | Diversified | SOFR Plus 3.75% Due Dec 2028
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 23,900
Carrying Value		$ 23,700
Interest Rate		3.75%
Unleveraged Effective Yield		7.80%
Hotel | Senior Mortgage Loans | SC | SOFR Plus 3.50% Due Nov 2028
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 48,300
Carrying Value		$ 47,800
Interest Rate		3.50%
Unleveraged Effective Yield		7.60%
Hotel | Senior Mortgage Loans | FL | SOFR Plus 3.35% Due Dec 2028
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 18,700
Carrying Value		$ 18,500
Interest Rate		3.35%
Unleveraged Effective Yield		7.50%
Mixed-Use | Senior Mortgage Loans | NY | SOFR Plus 3.25% Due Jan 2028
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal		$ 37,800
Carrying Value		$ 37,300
Interest Rate		3.25%
Unleveraged Effective Yield		7.60%
Mixed-Use | Senior Mortgage Loans | FL
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Outstanding Principal					$ 82,900