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GOODWILL AND OTHER INTANGIBLE ASSETS - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Goodwill And Intangible Assets [Line Items]
Goodwill	$ 394,622	$ 377,884	$ 394,622	$ 377,884	$ 377,240	$ 379,421
Amortization and other acquisition-related costs	15	$ 15	30	$ 30
Financial Advisory
Goodwill And Intangible Assets [Line Items]
Goodwill	313,375		313,375		312,699
Asset Management
Goodwill And Intangible Assets [Line Items]
Goodwill	$ 81,247		$ 81,247		$ 64,541

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Goodwill and intangible assets.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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