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Compensation - Compensation Expense Related to Limited Partnership Units and Restricted Stock Units (Details) - USD ($) | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award |  |
Issuance of common stock and exchangeability expenses | $ 24,583,000 | $ 8,983,000
Equity-based compensation and allocations of net income to limited partnership units and FPUs | 35,648,000 | 16,899,000
Limited Partnership Units |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Issuance of common stock and exchangeability expenses | 0 | 0
NEWMARK Group Inc Parent |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Equity-based compensation and allocations of net income to limited partnership units and FPUs | 35,648,000 | 16,899,000
NEWMARK Group Inc Parent | Restricted Stock Units |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Limited partnership units amortization | 5,963,000 | 4,495,000
NEWMARK Group Inc Parent | Limited Partnership Units |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Issuance of common stock and exchangeability expenses | 24,583,000 | 8,983,000
Allocations of net income to limited partnership units and FPUs | 241,000 | 147,000
Limited partnership units amortization | $ 4,861,000 | $ 3,274,000

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- Definition Common Stock, Exchangeability Granted, Issued, Expense + References No definition available. + Details
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- Definition Equity Based Compensation And Allocation Of Net Income To Limited Partnership Units And FPUs + References No definition available. + Details
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- Definition Amount of equity impact of cash distribution declared to unit-holder of limited partnership (LP). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
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