LOANS HELD-FOR-INVESTMENT - Schedule of CRE Loans on Carrying Values (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 3,379,068	$ 3,752,467
Less: Current expected credit losses	(290,707)	(297,878)
Net book value	3,088,361	3,454,589
CRE Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	2,951,719	3,361,679
Net book value	2,672,202	$ 3,074,451
First mortgage loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Less: Current expected credit losses	(248,500)
First mortgage loans \| CRE Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	2,951,719
Less: Current expected credit losses	(279,517)
Net book value	$ 2,672,202
Credit loss interest rate	100.00%
First mortgage loans \| CRE Loans \| South
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 1,149,314
Credit loss interest rate	38.90%
First mortgage loans \| CRE Loans \| West
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 880,537
Credit loss interest rate	29.80%
First mortgage loans \| CRE Loans \| East
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 574,764
Credit loss interest rate	19.50%
First mortgage loans \| CRE Loans \| Various
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 347,104
Credit loss interest rate	11.80%
First mortgage loans \| CRE Loans \| Office
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 1,761,637
Credit loss interest rate	59.70%
First mortgage loans \| CRE Loans \| Multifamily
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 405,134
Credit loss interest rate	13.70%
First mortgage loans \| CRE Loans \| Industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 362,877
Credit loss interest rate	12.30%
First mortgage loans \| CRE Loans \| Hospitality
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 336,280
Credit loss interest rate	11.40%
First mortgage loans \| CRE Loans \| Mixed Use
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 85,791
Credit loss interest rate	2.90%
First mortgage loans \| CRE Loans \| Self-Storage
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 0
Credit loss interest rate	0.00%

Percentage, before allowance for credit loss, of financing receivable to total financing receivable.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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