Consolidated Company-Sponsored Investment Funds - Change in Carrying Value, Level 3 Financial Instruments (Details) - Company-Sponsored Investment Funds - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Fair value measurement Level 3 reconciliation [Abstract]
Balance as of beginning of period	$ 0	$ 0	$ 0	$ 0
Transfers in	0	0	0	0
Unrealized gains, net	0	0	0	0
Balance as of end of period	0	31,910	0	31,910
Consumer loan securities
Fair value measurement Level 3 reconciliation [Abstract]
Newly consolidated funds:	0	27,347	0	27,347
Aviation securities
Fair value measurement Level 3 reconciliation [Abstract]
Newly consolidated funds:	$ 0	$ 4,563	$ 0	$ 4,563

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).

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- Definition

Amount of purchases 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 transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.

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