Fair Value of Financial Instruments - Schedule of Significant Unobservable Inputs (Details) - Valuation Technique, Discounted cash flow	Jun. 30, 2026 USD ($) yr	Dec. 31, 2025 USD ($) yr
Collateralized loan obligations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 1,100,000,000	$ 1,100,000,000
Weighted Average Life (years) \| Long-Term Debt
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Repurchase agreements, measurement input \| yr	0.31	0.28
Weighted Average \| Discount rate \| Long-Term Debt
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Repurchase agreements, measurement input	0.0505	0.0529
Minimum \| Discount rate \| Long-Term Debt
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Repurchase agreements, measurement input	0.0383	0.0412
Maximum \| Discount rate \| Long-Term Debt
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Repurchase agreements, measurement input	0.0585	0.0604
Commercial real estate loan investments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 3,915,526,000	$ 3,558,722,000
Commercial real estate loan investments \| Instruments Other Than Collateralized Loan Obligations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	3,800,000,000	3,500,000,000
Commercial real estate loan investments \| Collateralized loan obligations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 81,100,000	$ 80,700,000
Commercial real estate loan investments \| Weighted Average Life (years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Commercial loans, measurement input \| yr	0.30	0.31
Commercial real estate loan investments \| Weighted Average \| Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Commercial loans, measurement input	0.0611	0.0636
Commercial real estate loan investments \| Minimum \| Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Commercial loans, measurement input	0.0483	0.0514
Commercial real estate loan investments \| Maximum \| Discount rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Commercial loans, measurement input	0.1112	0.1144