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Schedule IV - Mortgage Loans on Real Estate - Schedule of Mortgage Loans on Real Estate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Principal	$ 610,811	$ 629,892	$ 678,555
Carrying Value	609,916	626,462	669,929
Total carrying value including allowance for credit losses	601,842	622,086	$ 669,929
Loans held for investment	609,916	626,462
Office
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Carrying Value	167,749	181,268
Retail
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Carrying Value	57,506	72,962
Multifamily
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Carrying Value	163,987	207,734
Industrial
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Carrying Value	136,646	118,707
Hotel
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Carrying Value	84,028	$ 45,791
First Mortgage Bridge Loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Principal	610,811
Carrying Value	609,916
Less: allowance for credit losses	(8,074)
Total carrying value including allowance for credit losses	$ 601,842
First Mortgage Bridge Loans | Office | Office, Dallas, TX
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	3.25%
Prior Liens	$ 0
Principal	43,511
Carrying Value	$ 43,511
First Mortgage Bridge Loans | Office | Office, Downers Grove, IL
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	5.00%
Prior Liens	$ 0
Principal	29,500
Carrying Value	$ 29,605
First Mortgage Bridge Loans | Office | Office, Plano, TX
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	3.75%
Prior Liens	$ 0
Principal	26,569
Carrying Value	$ 26,635
First Mortgage Bridge Loans | Office | Office, Carlsbad, CA
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	3.25%
Prior Liens	$ 0
Principal	24,417
Carrying Value	$ 24,412
First Mortgage Bridge Loans | Office | Office, Downers Grove, IL 2
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	4.25%
Prior Liens	$ 0
Principal	23,530
Carrying Value	$ 23,588
First Mortgage Bridge Loans | Office | Office, Bellevue, WA
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	3.85%
Prior Liens	$ 0
Principal	20,000
Carrying Value	$ 19,997
First Mortgage Bridge Loans | Retail | Retail, Brandywine, MD
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	3.85%
Prior Liens	$ 0
Principal	42,200
Carrying Value	$ 42,254
First Mortgage Bridge Loans | Retail | Retail, Sandy Springs, GA
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	3.75%
Prior Liens	$ 0
Principal	15,286
Carrying Value	$ 15,252
First Mortgage Bridge Loans | Multifamily | Multifamily, Olmsted Falls, OH
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	4.00%
Prior Liens	$ 0
Principal	52,050
Carrying Value	$ 52,446
First Mortgage Bridge Loans | Multifamily | Multifamily, Starkville, MS
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	2.95%
Prior Liens	$ 0
Principal	42,000
Carrying Value	$ 41,570
First Mortgage Bridge Loans | Multifamily | Multifamily, Farmington Hills, MI
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	3.15%
Prior Liens	$ 0
Principal	29,443
Carrying Value	$ 29,710
First Mortgage Bridge Loans | Multifamily | Multifamily, Las Vegas, NV
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	3.30%
Prior Liens	$ 0
Principal	25,448
Carrying Value	$ 25,641
First Mortgage Bridge Loans | Multifamily | Multifamily, Newport News, VA
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	3.15%
Prior Liens	$ 0
Principal	14,759
Carrying Value	$ 14,620
First Mortgage Bridge Loans | Industrial | Industrial, Passaic, NJ
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	3.85%
Prior Liens	$ 0
Principal	43,808
Carrying Value	$ 43,689
First Mortgage Bridge Loans | Industrial | Industrial, Fountain Inn, SC
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	4.25%
Prior Liens	$ 0
Principal	24,300
Carrying Value	$ 24,216
First Mortgage Bridge Loans | Industrial | Industrial, Fayetteville, GA
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	3.35%
Prior Liens	$ 0
Principal	25,250
Carrying Value	$ 25,086
First Mortgage Bridge Loans | Industrial | Industrial, Fontana, CA
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	3.75%
Prior Liens	$ 0
Principal	22,000
Carrying Value	$ 21,934
First Mortgage Bridge Loans | Industrial | Industrial, Los Angeles, CA
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	3.40%
Prior Liens	$ 0
Principal	21,940
Carrying Value	$ 21,721
First Mortgage Bridge Loans | Hotel | Hotel, Boston, MA
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	3.95%
Prior Liens	$ 0
Principal	39,800
Carrying Value	$ 39,335
First Mortgage Bridge Loans | Hotel | Hotel, Anaheim, CA
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	4.00%
Prior Liens	$ 0
Principal	29,000
Carrying Value	$ 28,855
First Mortgage Bridge Loans | Hotel | Hotel, Lake Mary, FL
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Interest Rate	4.00%
Prior Liens	$ 0
Principal	16,000
Carrying Value	$ 15,839

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Amount of contractual principal due at origination of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

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