LOANS HELD-FOR-INVESTMENT - Schedule of CRE Loans on Carrying Values (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 3,495,982	$ 3,763,013
Less: Current expected credit losses	(301,903)	(392,136)
Net book value	3,194,079	3,370,877
CRE Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	3,129,218	3,466,929
Net book value	2,838,179	$ 3,085,104
First Mortgage Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Less: Current expected credit losses	(247,900)
First Mortgage Loans \| CRE Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	3,129,218
Less: Current expected credit losses	(291,039)
Net book value	$ 2,838,179
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	$ 1,295,686
Credit loss interest rate	41.40%
First Mortgage Loans \| CRE Loans \| West
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 905,734
Credit loss interest rate	28.90%
First Mortgage Loans \| CRE Loans \| East
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 637,084
Credit loss interest rate	20.40%
First Mortgage Loans \| CRE Loans \| Various
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 290,714
Credit loss interest rate	9.30%
First Mortgage Loans \| CRE Loans \| Office
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 1,576,421
Credit loss interest rate	50.50%
First Mortgage Loans \| CRE Loans \| Multifamily
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 867,362
Credit loss interest rate	27.70%
First Mortgage Loans \| CRE Loans \| Industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 345,272
Credit loss interest rate	11.00%
First Mortgage Loans \| CRE Loans \| Hospitality
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 193,625
Credit loss interest rate	6.20%
First Mortgage Loans \| CRE Loans \| Mixed Use
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 85,642
Credit loss interest rate	2.70%
First Mortgage Loans \| CRE Loans \| Self-Storage
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans held-for-investment and related receivables, net	$ 60,896
Credit loss interest rate	1.90%

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
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