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Fair Value of Financial Instruments - Schedule of Valuation for Level 3 Liabilities (Details) - Consolidated SLST - VIE, Primary Beneficiary - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at beginning of period | $ 805,273 | $ 582,627 | $ 811,591 | $ 593,737
Total losses/(gains) (realized/unrealized) |  |  |  |
Included in earnings | $ 11,071 | $ (1,536) | $ 19,708 | $ (140)
Fair Value Recurring Basis Unobservable Input Reconciliation Liability Gain Loss Statement Of Income Extensible List Not Disclosed Flag | Included in earnings | Included in earnings | Included in earnings | Included in earnings
Acquisitions | $ 235,226 | $ 275,200 | $ 235,226 | $ 275,200
Paydowns | (19,673) | (12,259) | (34,628) | (24,765)
Balance at the end of period | $ 1,031,897 | $ 844,032 | $ 1,031,897 | $ 844,032

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