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Amount due from parties in nontrade transactions, classified as other.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Identify the stated interest rate per the agreement, for example, leasing and debt arrangements between related parties.

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The cash inflow from a loan, supported by a promissory note, granted to related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Related-Party Transactions - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Related-party transactions
Compensation and benefits expense related to tranche of promissory note	$ 164,475,000	$ 148,239,000
Related Party
Related-party transactions
Revenue from related parties	0	0
Manager \| Aircraft Lease Entered into During August 2014
Related-party transactions
Expenses	0	323,000
Employees
Related-party transactions
Unsecured promissory notes from employees	9,448,000		$ 3,119,000
Employees \| Unsecured Promissory Notes
Related-party transactions
Principal repayments	0	0
Interest income recognized	$ 73,000	31,000
Employees \| Minimum \| Unsecured Promissory Notes
Related-party transactions
Interest rates (as a percent)	4.00%
Employees \| Maximum \| Unsecured Promissory Notes
Related-party transactions
Interest rates (as a percent)	5.00%
Moelis Asset Management LP
Related-party transactions
Fee for services	$ 56,000	$ 55,000
Due from related party	$ 0		$ 0