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Real Estate Owned - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2025 USD ($) loan property	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($) property
Real Estate [Line Items]
Financing receivable, specific reserve	$ 5,200	$ 17,000
Repayments of mortgage notes outstanding	49,134	0
Loans and investments	11,489,393		$ 11,304,956
Mortgage notes payable — real estate owned	123,851		74,897
Depreciation expense related to real estate owned	2,700	$ 800
Real estate owned, restricted cash	$ 1,500		2,900
Prime Rate
Real Estate [Line Items]
Mortgage notes payable, basis spread on variable rate	1.10%
Secured Overnight Financing Rate (SOFR)
Real Estate [Line Items]
Mortgage notes payable, basis spread on variable rate	3.25%
Sold Real Estate Owned Assets
Real Estate [Line Items]
Proceeds from sale of REO asset	$ 77,000
Repayments of mortgage notes outstanding	49,100
Gain on sale of REO asset	1,900
Loss on sale of real estate assets	$ 2,800
Sold Real Estate Owned Assets | Bridge loans
Real Estate [Line Items]
Number of new loans originated | loan	2
Loans and investments	$ 77,000
Sold Real Estate Owned Assets, Loan One | Bridge loans | Financing Receivable, Period One
Real Estate [Line Items]
Financing receivable, fixed interest rate	0.0475
Sold Real Estate Owned Assets, Loan One | Bridge loans | Financing Receivable, Period Two
Real Estate [Line Items]
Financing receivable, fixed interest rate	0.0550
Sold Real Estate Owned Assets, Loan One | Bridge loans | Financing Receivable, Period Three
Real Estate [Line Items]
Financing receivable, fixed interest rate	0.0600
Sold Real Estate Owned Assets, Loan Two | Bridge loans
Real Estate [Line Items]
Financing receivable, basis spread on variable rate	0.0200
Mortgages
Real Estate [Line Items]
Mortgage notes payable — real estate owned	$ 123,900		$ 74,900
Multifamily
Real Estate [Line Items]
Number of real estate properties | property	9		4
Weighted average occupancy rate	48.00%		77.00%
Multifamily | Foreclosed Real Estate Owned Assets
Real Estate [Line Items]
Number of foreclosed real estate properties | loan	7
Foreclosed properties, carrying value	$ 192,700
Financing receivable, specific reserve	4,000
Loss on foreclosure	$ 1,800
Multifamily | Sold Real Estate Owned Assets
Real Estate [Line Items]
Number of real estate properties sold | property	2
Office
Real Estate [Line Items]
Number of real estate properties | property	2		2
Land
Real Estate [Line Items]
Number of real estate properties | property	2		2

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