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Class Of Warrant Or Right, Percentage Receiving Exchangeability

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Class Of Warrant Or Right, Percentage Receiving Exchangeability, Pro Rata

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Class Of Warrant Or Right, Rights Receiving Exchangeability

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Class Of Warrants Or Right, Exchangeable

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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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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Number of shares issued under share-based payment arrangement.

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- Definition

Price of a single share of a number of saleable stocks of a company.

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Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

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- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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Related Party Transactions - Transactions with Executive Officers and Directors (Michael Rispoli) (Details) - Michael J. Rispoli - USD ($)	Mar. 15, 2026	Oct. 01, 2025	Sep. 29, 2022
Related Party Transaction
Cash payment		$ 41,897
Class of warrant or right, percentage receiving exchangeability			25.00%
Class of warrant or right, percentage receiving exchangeability, pro rata			20.00%
Newmark Holdings PSU
Related Party Transaction
Class of warrant or right, rights receiving exchangeability (in shares)		4,378
Class of warrants or right, exchangeable (in shares)			20,221
Newmark Holdings PPSU
Related Party Transaction
Class of warrant or right, rights receiving exchangeability (in shares)		4,378
Class of warrants or right, exchangeable (in shares)			23,560
Warrants and rights outstanding			$ 283,527
Non-Exchangeable Newmark Holdings PSUs
Related Party Transaction
Class of warrant or right, rights receiving exchangeability (in shares)			88,079
Non-Exchangeable Rights for Newmark Holdings PPSUs
Related Party Transaction
Class of warrant or right, rights receiving exchangeability (in shares)			87,049
Restricted Stock Units
Related Party Transaction
Stock vested in period (in shares)	64,292
Shares withheld for tax withholding obligation (in shares)	32,824
Share price (in dollars per share)	$ 14.19
Issued in period (in shares)	31,468
Number of conversion rights granted (in shares)			500,000
Restricted Stock Units \| Tranche One
Related Party Transaction
Number of conversion rights granted (in shares)			100,000
Award vesting period			7 years
Restricted Stock Units \| Tranche Two
Related Party Transaction
Number of conversion rights granted (in shares)			250,000
Restricted Stock Units \| Tranche Three
Related Party Transaction
Number of conversion rights granted (in shares)			50,000
Award vesting period			7 years