Fair Value of Financial Instruments - Schedule of Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Foreign currency translation adjustment	$ (71)	$ 26
Revolving Credit Facility \| Long-Term Debt \| Line of Credit
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	55,000
Proceeds	220,000
Repayments	(259,000)
Net unrealized (gain) loss	0
Ending Balance	16,000
Secured Debt \| Long-Term Debt \| Line of Credit
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	2,582,576
Proceeds	506,497
Repayments	(34,596)
Net unrealized (gain) loss	(243)
Unrealized foreign currency (gain) loss	(9,899)
Ending Balance	3,044,335
Secured Debt \| Secured Lending Agreements \| Long-Term Debt \| Line of Credit
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	2,359,543
Proceeds	506,127
Repayments	(34,596)
Net unrealized (gain) loss	(237)
Unrealized foreign currency (gain) loss	(9,899)
Ending Balance	2,820,938
Secured Debt \| Term Lending Agreements \| Long-Term Debt \| Line of Credit
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	223,033
Proceeds	370
Repayments	0
Net unrealized (gain) loss	(6)
Unrealized foreign currency (gain) loss	0
Ending Balance	223,397
Commercial real estate loan investments
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	4,702,728
Loan originations and fundings	595,601
Loan principal payments	(81,880)
Net unrealized gain (loss)	(602)
Foreign currency translation adjustment	(15,629)
Ending Balance	$ 5,200,218

Fair Value, Liability, Recurring Basis, Still Held, Unrealized Foreign Currency Gain (Loss)

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Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held.

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Amount of unrealized gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3) and still held.

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Amount of issuances of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of sales of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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