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Class Of Warrant Or Right, Conversion Percentage

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Class Of Warrant Or Right, Number Of Installments

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Class Of Warrant Or Right, Number Of Tranches

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Class Of Warrant Or Right Percentage

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- Definition

Class Of Warrant Or Right, Rights Exchanged

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Class Of Warrant Or Right, Threshold, Minimum Gross Revenue

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- Definition

Class Of Warrant Or Right, Tranche Four

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Class Of Warrant Or Right, Tranche One

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Class Of Warrant Or Right, Tranche Three

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Class Of Warrant Or Right, Tranche Two

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- Definition

Related Party Transaction, Annual Cash Bonus

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Related Party Transaction, Annual Compensation

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Related Party Transaction, Annual Compensation, Cash-Based And Share-Based Awards

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Related Party Transaction, Annual Compensation, Salary

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Related Party Transaction, One Time Cash Payment

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- Definition

Related Party Transaction, Termination Notice, Period

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- Definition

Related Party Transaction, Upfront Advance Award, Base For Calculating Number Of Rights In Period

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- Definition

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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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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Amount of cash paid to settle liability for award under share-based payment arrangement.

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

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Related Party Transactions - Transactions with Executive Officers and Directors (Barry Gosin) (Details) - Mr. Gosin			6 Months Ended
	Aug. 07, 2024 USD ($) shares	Feb. 10, 2023 USD ($) tranche installment $ / shares shares	Jun. 30, 2026 USD ($) shares
Related Party Transaction
Related party transaction, termination notice, period	6 months
Related party transaction, one time cash payment	$ 5,000,000
Related party transaction, annual compensation	17,500,000
Related party transaction, annual compensation, salary	1,000,000
Related party transaction, annual compensation, cash-based and share-based awards	$ 16,500,000
Annual cash bonus		$ 1,500,000
Newmark Holdings NPSUs
Related Party Transaction
Number of conversion rights granted (in shares) \| shares	1,694,915		1,145,476
Conversion percentage		25.00%	25.00%
Class of warrant or right percentage			75.00%
Minimum gross revenue threshold		$ 10,000,000	$ 10,000,000
Class of warrant or right, rights exchanged (in shares) \| shares			1,238,620
Number of tranches \| tranche		4
Class of warrant or right, advance award (in shares) \| shares		1,145,476
Related party transaction, upfront advance award, base for calculating number of grants in period		$ 10,000,000
Share price (in dollars per share) \| $ / shares		$ 8.73
Conversion percentage, tranche one		25.00%
Number of installments \| installment		3
Conversion percentage, tranche two		25.00%
Conversion percentage, tranche three		25.00%
Conversion percentage, tranche four		25.00%
Newmark Holdings NPSUs \| Award Period One
Related Party Transaction
Share-based liabilities paid	$ 5,000,000
Newmark Holdings NPSUs \| Award Period Two
Related Party Transaction
Share-based liabilities paid	15,000,000
Newmark Holdings NPSUs \| Award Period Three
Related Party Transaction
Share-based liabilities paid	$ 1,500,000