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Goodwill, net - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Line Items]
Impairment of intangible assets, indefinite-lived (excluding goodwill)		$ 44,900	$ 0
Impairment charges	$ 153,600	69,724	153,859
Wealth & Capital Solutions
Goodwill [Line Items]
Impairment charges		29,367
International Real Estate
Goodwill [Line Items]
Impairment charges		$ 40,357	$ 153,859

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Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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