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GOODWILL - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Goodwill [Roll Forward]
Beginning balance	$ 393,575	$ 394,898
Foreign currency translation adjustments	1,676	(323)
Ending balance	395,251	394,575
Financial Advisory
Goodwill [Roll Forward]
Beginning balance	312,305	313,628
Foreign currency translation adjustments	1,676	(323)
Ending balance	313,981	313,305
Asset Management
Goodwill [Roll Forward]
Beginning balance	81,270	81,270
Foreign currency translation adjustments	0	0
Ending balance	$ 81,270	$ 81,270

X

- Definition

Amount, after accumulated impairment loss, of 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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Amount of foreign currency translation gain (loss) which increases (decreases) asset representing future economic benefit 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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