FAIR VALUE MEASUREMENT - Schedule of Assets Not Measured at Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Assets
Cash, cash equivalents and restricted cash	$ 337,076	$ 204,575
Short-term deposits		5,020
Fair Value	480,437	301,372
Fees receivable	97,993	51,540
Fair Value, Total	915,506	562,507
Carrying Value
Assets
Cash, cash equivalents and restricted cash	337,076	204,575
Short-term deposits		5,020
Fair Value	463,976	282,724
Fees receivable	97,993	51,540
Fair Value, Total	899,045	543,859
Level 1 \| Fair Value
Assets
Cash, cash equivalents and restricted cash	337,076	204,575
Short-term deposits		5,020
Fair Value	0	0
Fees receivable	0	0
Fair Value, Total	337,076	209,595
Level 2 \| Fair Value
Assets
Cash, cash equivalents and restricted cash	0	0
Short-term deposits		0
Fair Value	0	0
Fees receivable	97,993	51,540
Fair Value, Total	97,993	51,540
Level 3 \| Fair Value
Assets
Cash, cash equivalents and restricted cash	0	0
Short-term deposits		0
Fair Value	480,437	301,372
Fees receivable	0	0
Fair Value, Total	$ 480,437	$ 301,372

Deposit Assets, Fair Value Disclosure

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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- Definition

Fair value portion of receivables, including, but not limited to, trade account receivables, note receivables, and loan receivables.

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