Exchangeable Preferred Limited Partnership Units, Number Of Tranches

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- Definition

Limited partnership units exchange ratio.

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- Definition

Other Ownership Interests, Units Exchangeable

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- Definition

Percentage of profits allocated to preferred partnership units.

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- Definition

Percentage Of Profits Allocated To Preferred Partnership Units, Annual Percentage Rate

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- Definition

Post termination award payout period.

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The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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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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Limited Partnership Interests in Newmark Holdings and BGC Holdings (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2022 tranche shares	Jun. 30, 2022 tranche shares	Dec. 13, 2017
Related Party Transaction
Limited partnership units exchange ratio	0.4545	0.4545
Payout period for post-termination awards		4 years
Percentage to preferred units	0.6875%
Pecentage to preferred units per calendar year		2.75%
Non Distribution Earning Units
Related Party Transaction
Award vesting period		4 years
Class A Common Stock
Related Party Transaction
Limited partnership units exchange ratio			1
Class B Common Stock \| Cantor
Related Party Transaction
Share converted (in shares)		1
NEWMARK Group Inc Parent \| Class A Common Stock
Related Party Transaction
Limited partnership units exchange ratio	0.9393	0.9393
NEWMARK Group Inc Parent \| Class B Common Stock
Related Party Transaction
Exchangeable preferred limited partnership units (in shares)	24,700,000	24,700,000
Newmark OpCo \| RBC
Related Party Transaction
Exchangeable preferred limited partnership units, number of tranches \| tranche	4	4