Debt - Schedule of Collateralized Loan Obligations by Tranche (Details) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2026 USD ($) loan	Dec. 31, 2025 USD ($) loan
Debt Instrument [Line Items]
Par Value	$ 24,186	$ 23,998
Principal Balance of Collateralized Mortgage Assets	24,500	20,200
Variable Interest Entity, Primary Beneficiary
Debt Instrument [Line Items]
Par Value	3,155,697	3,123,046
U.S. Bank National Association \| Secured debt
Debt Instrument [Line Items]
Par Value	3,328,702	3,510,608
Outstanding principal	2,878,657	2,756,927
Principal Balance of Collateralized Mortgage Assets	$ 3,417,909	$ 3,396,057
U.S. Bank National Association \| Secured debt \| 2022-FL8 Issuer
Debt Instrument [Line Items]
Number of Loans in pool \| loan	22	21
Weighted Average Spread	3.14%	2.07%
Par Value	$ 717,243	$ 960,000
Outstanding principal	267,198	370,348
Principal Balance of Collateralized Mortgage Assets	$ 446,227	$ 609,074
U.S. Bank National Association \| Secured debt \| 2024-FL11 Issuer
Debt Instrument [Line Items]
Number of Loans in pool \| loan	41	32
Weighted Average Spread	1.99%	2.68%
Par Value	$ 886,176	$ 717,243
Outstanding principal	886,176	553,214
Principal Balance of Collateralized Mortgage Assets	$ 1,023,948	$ 715,694
U.S. Bank National Association \| Secured debt \| 2025-FL12 Issuer
Debt Instrument [Line Items]
Number of Loans in pool \| loan	65	38
Weighted Average Spread	1.61%	1.99%
Par Value	$ 947,189	$ 886,176
Outstanding principal	947,189	886,176
Principal Balance of Collateralized Mortgage Assets	$ 1,075,998	$ 1,024,380
U.S. Bank National Association \| Secured debt \| Collateralized Loan Obligations Issued in 2025-FL12
Debt Instrument [Line Items]
Number of Loans in pool \| loan	45	50
Weighted Average Spread	1.76%	1.67%
Par Value	$ 778,094	$ 947,189
Outstanding principal	778,094	947,189
Principal Balance of Collateralized Mortgage Assets	871,736	1,046,909
U.S. Bank National Association \| Secured debt \| Variable Interest Entity, Primary Beneficiary
Debt Instrument [Line Items]
Collateralized loan obligation excluded	$ 277,000	$ 366,100

Debt Instrument, Collateral, Number of Mortgage Assets

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