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Loans and Preferred Equity Held for Investment, net - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2026 USD ($) loan variableInterestEntity investment	Mar. 31, 2025 USD ($) investment	Jun. 30, 2026 USD ($) loan	Apr. 30, 2026 forwardSwap	Apr. 29, 2026 USD ($) loan	Dec. 31, 2025 USD ($) variableInterestEntity loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest receivable	$ 10,700					$ 10,800
Financing receivable, accrued interest, after allowance for credit loss, statement of financial position, extensible list, not disclosed, flag	Receivables, net					Receivables, net
Transfer of principal		$ 8,800
Loan payoff period, maximum		2 years
Number of unconsolidated VIEs originated | variableInterestEntity	1					9
Number of CRE debt investments contributed to more than 10% of interest income (in investments) | investment	0	0
Percent of interest income contributed by investment	10.00%	10.00%
Carrying Value	$ 2,730,072					$ 2,678,315
Subsequent event
Accounts, Notes, Loans and Financing Receivable [Line Items]
Risk ranked loans | forwardSwap				1
Risk Ranking 5 | Subsequent event
Accounts, Notes, Loans and Financing Receivable [Line Items]
Risk ranked loans | loan					1
Carrying Value					$ 31,500
Risk Ranking 5 | Forecast
Accounts, Notes, Loans and Financing Receivable [Line Items]
Risk ranked loans | loan			2
Carrying Value			$ 67,100
PD/LGD model
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for lending commitments	1,900					700
Commercial mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Value	2,730,072					2,678,315
Future funding commitments	$ 117,300					$ 112,200
Denver, Colorado
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of loans on nonaccrual status | loan						1
Baltimore, Maryland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of loans on nonaccrual status | loan	1					1

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Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

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Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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