XML 71 R60.htm IDEA: XBRL DOCUMENT
v3.24.1.1.u2

Limited Partnership Interests in Newmark Holdings and BGC Holdings (Details) shares in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 shares | Dec. 13, 2017
Related Party Transaction |  |
Limited partnership units exchange ratio | 0.4545 |
Payout period for post-termination awards | 4 years |
Percentage to preferred units | 0.6875% |
Percentage to preferred units per calendar year | 2.75% |
Non Distribution Earning Units |  |
Related Party Transaction |  |
Award vesting period | 7 years |
Class A Common Stock |  |
Related Party Transaction |  |
Limited partnership units exchange ratio |  | 1
NEWMARK Group Inc | Class A Common Stock |  |
Related Party Transaction |  |
Limited partnership units exchange ratio | 0.9255 |
NEWMARK Group Inc | Class B Common Stock |  |
Related Party Transaction |  |
Exchangeable preferred limited partnership units (in shares) | 24.9 |

X
- Definition Limited partnership units exchange ratio. + References No definition available. + Details
Name: | nmrk_LimitedPartnershipUnitsExchangeRatio
Namespace Prefix: | nmrk_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Other Ownership Interests, Units Exchangeable + References No definition available. + Details
Name: | nmrk_OtherOwnershipInterestsUnitsExchangeable
Namespace Prefix: | nmrk_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of profits allocated to preferred partnership units. + References No definition available. + Details
Name: | nmrk_PercentageOfProfitsAllocatedToPreferredPartnershipUnits
Namespace Prefix: | nmrk_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage Of Profits Allocated To Preferred Partnership Units, Annual Percentage Rate + References No definition available. + Details
Name: | nmrk_PercentageOfProfitsAllocatedToPreferredPartnershipUnitsAnnualPercentageRate
Namespace Prefix: | nmrk_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Post termination award payout period. + References No definition available. + Details
Name: | nmrk_PostTerminationAwardPayoutPeriod
Namespace Prefix: | nmrk_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(c)(2)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(c)(2)(ii)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(g)(3)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 + Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CapitalUnitsByClassAxis=nmrk_NonDistributionEarningUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |