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Face (par) amount of debt instrument at time of issuance.

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Amount of fee payable for management of operations based on performance under arrangement, including, but not limited to, investment.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of expense for investment management fee, including, but not limited to, expense in connection with research, selection, supervision, and custody of investment.

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The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

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Related Party Transactions - Additional Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2025 USD ($) Loan	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)	Sep. 04, 2024	Feb. 08, 2023 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)
Related Party Transaction [Line Items]
Termination fee, percent fee of base management fee	3
Mortgage loans on real estate, commercial and consumer, net	$ 7,687,086		$ 7,104,156
Outstanding amount	540,400		462,900
Joint venture \| Eight Hospitals in Massachusetts
Related Party Transaction [Line Items]
Equity method investment, ownership percentage				41.20%
Equity method investment	$ 23,000
Atlas Facility
Related Party Transaction [Line Items]
Number of loans \| Loan	5
Secured Debt \| Credit Suisse Facility \| Line of Credit
Related Party Transaction [Line Items]
Outstanding amount					$ 632,300
Commercial Mortgage and Subordinated Portfolio Segment
Related Party Transaction [Line Items]
Mortgage loans on real estate, commercial and consumer, net	$ 4,200		8,300
Arrangement fees
Related Party Transaction [Line Items]
Incentive Fee Payable						$ 400	$ 200
Limited Liability Company
Related Party Transaction [Line Items]
Rate of management fees	1.50%
Extension period	1 year
Period of termination	180 days
Termination fee calculation period	24 months
Limited Liability Company \| Management Agreement
Related Party Transaction [Line Items]
Payable to related party	$ 8,600		$ 8,700
Affiliated Entity
Related Party Transaction [Line Items]
Debt instrument, face amount							$ 30,000
Affiliated Entity \| Management Agreement
Related Party Transaction [Line Items]
Management fees to related party	8,600	$ 9,400
Professional and Contract Services Expense	$ 5,700	$ 1,800