$NMRK
NEWMARK GROUP, INC. Stock $nmrk

$nmrk Overview Financials Valuation SEC Filings Company Website

2020 Form 10-K Financial Statement

#000169068021000013 Filed on March 01, 2021

Income Statement

Concept	2020	2019 Q4	2019
Revenue	$1.905B	$632.4M	$2.218B
YoY Change	-14.12%	0.11%	8.33%
Cost Of Revenue	$22.60M	$4.000M	$25.00M
YoY Change	-9.6%	-36.51%	-4.58%
Gross Profit	$1.882B	$628.4M	$2.193B
YoY Change	-14.17%	0.48%	8.49%
Gross Profit Margin	98.81%	99.37%	98.87%
Selling, General & Admin	$1.573B	$589.4M	$1.895B
YoY Change	-17.01%	10.44%	10.37%
% of Gross Profit	83.54%	93.79%	86.39%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$22.90M	$32.60M	$22.70M
YoY Change	0.88%	12.03%	65.69%
% of Gross Profit	1.22%	5.19%	1.04%
Operating Expenses	$1.681B	$617.1M	$1.895B
YoY Change	-11.28%	13.23%	10.87%
Operating Profit	$184.0M	$11.30M	$246.2M
YoY Change	-25.28%	-85.95%	-25.96%
Interest Expense	-$49.30M	-$21.10M	-$77.90M
YoY Change	-36.71%	427.5%	157.95%
% of Operating Profit	-26.79%	-186.73%	-31.64%
Other Income/Expense, Net	$15.29M		$80.95M
YoY Change	-81.11%		-36.4%
Pretax Income	$146.3M	-$16.50M	$214.1M
YoY Change	-31.7%	-121.6%	-24.16%
Income Tax	$36.99M	-$100.0K	$52.44M
% Of Pretax Income	25.29%		24.49%
Net Earnings	$80.06M	$161.7M	$117.3M
YoY Change	-31.75%	808.49%	9.91%
Net Earnings / Revenue	4.2%	25.57%	5.29%
Basic Earnings Per Share	$0.39		$0.59
Diluted Earnings Per Share	$0.39	-$62.25K	$0.58
COMMON SHARES
Basic Shares Outstanding	179.1M shares		177.8M shares
Diluted Shares Outstanding	179.7M shares		185.0M shares

Balance Sheet

Concept	2020	2019 Q4	2019
SHORT-TERM ASSETS
Cash & Short-Term Investments	$224.7M	$200.4M	$200.4M
YoY Change	12.13%	16.92%	16.92%
Cash & Equivalents	$191.4M	$163.6M	$163.6M
Short-Term Investments	$33.30M	$36.80M	$36.80M
Other Short-Term Assets	$121.5M	$91.19M	$127.1M
YoY Change	-4.41%	57.94%	12.78%
Inventory
Prepaid Expenses		$15.25M
Receivables	$376.8M	$508.4M	$508.4M
Other Receivables	$1.096B	$237.8M	$237.8M
Total Short-Term Assets	$1.819B	$1.074B	$1.074B
YoY Change	69.46%	-38.9%	-38.91%
LONG-TERM ASSETS
Property, Plant & Equipment	$286.8M	$98.02M	$299.7M
YoY Change	-4.3%	24.38%	280.33%
Goodwill		$557.9M
YoY Change		8.27%
Intangibles		$45.23M
YoY Change		26.44%
Long-Term Investments	$98.20M	$99.97M	$194.1M
YoY Change	-49.41%	-1.29%	25.47%
Other Assets	$224.7M	$407.9M	$213.8M
YoY Change	5.1%	10.28%	-0.6%
Total Long-Term Assets	$2.163B	$2.128B	$2.128B
YoY Change	1.66%	25.39%	25.4%
TOTAL ASSETS
Total Short-Term Assets	$1.819B	$1.074B	$1.074B
Total Long-Term Assets	$2.163B	$2.128B	$2.128B
Total Assets	$3.983B	$3.202B	$3.202B
YoY Change	24.39%	-7.31%	-7.31%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$97.30M	$189.2M	$189.2M
YoY Change	-48.57%	66.4%	66.4%
Accrued Expenses	$370.0M	$389.5M	$389.5M
YoY Change	-5.01%	-4.09%	-4.09%
Deferred Revenue
YoY Change
Short-Term Debt	$1.095B	$246.4M	$246.4M
YoY Change	344.2%	-74.66%	-74.66%
Long-Term Debt Due	$4.400M	$38.10M	$38.10M
YoY Change	-88.45%	182.22%	182.22%
Total Short-Term Liabilities	$1.705B	$1.045B	$1.045B
YoY Change	63.12%	-37.2%	-37.2%
LONG-TERM LIABILITIES
Long-Term Debt	$680.4M	$589.3M	$589.3M
YoY Change	15.46%	9.55%	9.56%
Other Long-Term Liabilities	$655.6M	$376.8M	$604.8M
YoY Change	8.4%	123.48%	258.72%
Total Long-Term Liabilities	$1.336B	$966.1M	$1.194B
YoY Change	11.88%	36.74%	69.02%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.705B	$1.045B	$1.045B
Total Long-Term Liabilities	$1.336B	$966.1M	$1.194B
Total Liabilities	$3.327B	$2.239B	$2.602B
YoY Change	27.88%	-5.56%	-9.86%
SHAREHOLDERS EQUITY
Retained Earnings		$313.1M
YoY Change		12.65%
Common Stock		$318.2M
YoY Change		11.61%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$655.0M	$599.7M	$599.7M
YoY Change
Total Liabilities & Shareholders Equity	$3.983B	$3.202B	$3.202B
YoY Change	24.39%	-7.31%	-7.31%

Cashflow Statement

Concept	2020	2019 Q4	2019
OPERATING ACTIVITIES
Net Income	$80.06M	$161.7M	$117.3M
YoY Change	-31.75%	808.49%	9.91%
Depreciation, Depletion And Amortization	$22.90M	$32.60M	$22.70M
YoY Change	0.88%	12.03%	65.69%
Cash From Operating Activities	-$777.7M	$593.4M	$986.8M
YoY Change	-178.81%	95.2%	-396.89%
INVESTING ACTIVITIES
Capital Expenditures	$19.63M	-$11.70M	$34.53M
YoY Change	-43.16%	4.46%	64.28%
Acquisitions	$5.850M		$33.94M
YoY Change	-82.76%		-1.66%
Other Investing Activities	$16.20M	-$14.50M	-$20.80M
YoY Change	-177.88%	-140.85%	-165.2%
Cash From Investing Activities	-$3.602M	-$26.20M	-$56.79M
YoY Change	-93.66%	-208.26%	-833.51%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$6.364M		$37.37M
YoY Change	-82.97%		-529.37%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$817.8M	-519.6M	-$895.5M
YoY Change	-191.33%	-1.57%	-364.43%
NET CHANGE
Cash From Operating Activities	-$777.7M	593.4M	$986.8M
Cash From Investing Activities	-$3.602M	-26.20M	-$56.79M
Cash From Financing Activities	$817.8M	-519.6M	-$895.5M
Net Change In Cash	$36.53M	47.60M	$34.47M
YoY Change	5.98%	-123.84%	145.62%
FREE CASH FLOW
Cash From Operating Activities	-$777.7M	$593.4M	$986.8M
Capital Expenditures	$19.63M	-$11.70M	$34.53M
Free Cash Flow	-$797.3M	$605.1M	$952.2M
YoY Change	-183.73%	91.97%	-369.46%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020	dei	Amendment Flag AmendmentFlag	false
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0001690680
CY2020	nmrk	Post Termination Award Payout Period PostTerminationAwardPayoutPeriod	P4Y
CY2019Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent
CY2020Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	001-38329
CY2020	dei	Entity Registrant Name EntityRegistrantName	NEWMARK GROUP, INC.
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	81-4467492
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	125 Park Avenue
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	New York
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	NY
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	10017
CY2020	dei	City Area Code CityAreaCode	212
CY2020	dei	Local Phone Number LocalPhoneNumber	372-2000
CY2020	dei	Security12b Title Security12bTitle	Class A Common Stock, $0.01 par value
CY2020	dei	Trading Symbol TradingSymbol	NMRK
CY2020	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2020	dei	Entity Small Business EntitySmallBusiness	false
CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2020	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2020	dei	Entity Shell Company EntityShellCompany	false
CY2020Q2	dei	Entity Public Float EntityPublicFloat	733860000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	191448000	USD
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CY2020Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	66951000	USD
CY2019Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	58308000	USD
CY2020Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	33283000	USD
CY2019Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	36795000	USD
CY2020Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	1086805000	USD
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CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	63790000	USD
CY2019Q4	us-gaap	Other Assets Current OtherAssetsCurrent	91194000	USD
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CY2020Q4	us-gaap	Goodwill Goodwill	560332000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	557914000	USD
CY2020Q4	us-gaap	Mortgages Held For Sale Fair Value Disclosure MortgagesHeldForSaleFairValueDisclosure	494729000	USD
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CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
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CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	0	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	655049000	USD
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CY2020	us-gaap	Cost Direct Labor CostDirectLabor	1147360000	USD
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CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.39
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CY2020	us-gaap	Profit Loss ProfitLoss	109277000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	191898000	USD
CY2020	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest	2178000	USD
CY2019Q4	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest	0	USD
CY2018	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest	0	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	107099000	USD
CY2019Q4	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	161712000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	191898000	USD
CY2018	nmrk	Reduction Of Earnings Distributions ReductionOfEarningsDistributions	2144000	USD
CY2018	us-gaap	Dividends Common Stock Stock DividendsCommonStockStock	41788000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	191898000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	29217000	USD
CY2019Q4	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	44407000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	85166000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	77882000	USD
CY2019Q4	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	117305000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	106732000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	222318000	USD
CY2018	us-gaap	Dividends Preferred Stock DividendsPreferredStock	5091000	USD
CY2018	us-gaap	Partners Capital Account Contributions PartnersCapitalAccountContributions	45296000	USD
CY2018	us-gaap	Stock Granted During Period Value Sharebased Compensation StockGrantedDuringPeriodValueSharebasedCompensation	788000	USD
CY2018	nmrk	Noncontrolling Interest From Subsidiary Equity Issuance Shares NoncontrollingInterestFromSubsidiaryEquityIssuanceShares	16606726	shares
CY2018	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	241960000	USD
CY2020	us-gaap	Adjustment For Amortization AdjustmentForAmortization	73596000	USD
CY2018	nmrk	Issuance Of Common Stock In Exchange Of Exchangeable Limited Partnership Units IssuanceOfCommonStockInExchangeOfExchangeableLimitedPartnershipUnits	0	USD
CY2018	nmrk	Noncontrolling Interest Increase Decrease From Grant Of Exchangeability Redemption And Issuance Of Limited Partnership Interests NoncontrollingInterestIncreaseDecreaseFromGrantOfExchangeabilityRedemptionAndIssuanceOfLimitedPartnershipInterests	106200000	USD
CY2018	us-gaap	Noncontrolling Interest In Net Income Loss Preferred Unit Holders Redeemable NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable	-325478000	USD
CY2018	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	61796000	USD
CY2018	us-gaap	Treasury Stock Value Acquired Par Value Method TreasuryStockValueAcquiredParValueMethod	486000	USD
CY2018	nmrk	Issuance Of Contingent Common Stock And Limited Partnership Units For Acquisitions IssuanceOfContingentCommonStockAndLimitedPartnershipUnitsForAcquisitions	17279000	USD
CY2018	us-gaap	Other Comprehensive Income Other Net Of Tax OtherComprehensiveIncomeOtherNetOfTax	-6206000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1056799000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	161712000	USD
CY2019	us-gaap	Dividends Common Stock Stock DividendsCommonStockStock	69245000	USD
CY2019	us-gaap	Dividends Preferred Stock DividendsPreferredStock	0	USD
CY2019	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	73646000	USD
CY2019	nmrk	Noncontrolling Interest Increase Decrease From Grant Of Exchangeability Redemption And Issuance Of Limited Partnership Interests NoncontrollingInterestIncreaseDecreaseFromGrantOfExchangeabilityRedemptionAndIssuanceOfLimitedPartnershipInterests	-1902000	USD
CY2019	us-gaap	Treasury Stock Value Acquired Par Value Method TreasuryStockValueAcquiredParValueMethod	42100000	USD
CY2019	nmrk	Minority Interest Decrease From Redemptions Of Exchangeable Partnership Units MinorityInterestDecreaseFromRedemptionsOfExchangeablePartnershipUnits	93480000	USD
CY2019	us-gaap	Other Comprehensive Income Other Net Of Tax OtherComprehensiveIncomeOtherNetOfTax	2487000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	940625000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	109277000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	2178000	USD
CY2020	us-gaap	Dividends Common Stock Stock DividendsCommonStockStock	23171000	USD
CY2020	us-gaap	Dividends Preferred Stock DividendsPreferredStock	0	USD
CY2020	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	22365000	USD
CY2020	nmrk	Noncontrolling Interest Increase Decrease From Grant Of Exchangeability Redemption And Issuance Of Limited Partnership Interests NoncontrollingInterestIncreaseDecreaseFromGrantOfExchangeabilityRedemptionAndIssuanceOfLimitedPartnershipInterests	28773000	USD
CY2020	us-gaap	Treasury Stock Value Acquired Par Value Method TreasuryStockValueAcquiredParValueMethod	6817000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	11290000	USD
CY2020	nmrk	Minority Interest Decrease From Redemptions Of Exchangeable Partnership Units MinorityInterestDecreaseFromRedemptionsOfExchangeablePartnershipUnits	93480000	USD
CY2020	us-gaap	Other Comprehensive Income Other Net Of Tax OtherComprehensiveIncomeOtherNetOfTax	306000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	921147000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	109277000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	161712000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	191898000	USD
CY2020	nmrk	Gain On Originated Mortgage Servicing Rights GainOnOriginatedMortgageServicingRights	193913000	USD
CY2019	nmrk	Gain On Originated Mortgage Servicing Rights GainOnOriginatedMortgageServicingRights	103160000	USD
CY2018	nmrk	Provisionon Credit Losses Sharing Guarantee ProvisiononCreditLossesSharingGuarantee	0	USD
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	4668000	USD
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1817000	USD
CY2018	nmrk	Gain On Originated Mortgage Servicing Rights GainOnOriginatedMortgageServicingRights	95284000	USD
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	141193000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	131144000	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	97733000	USD
CY2020	nmrk	Nasdaq Earnout NasdaqEarnout	121906000	USD
CY2019	nmrk	Nasdaq Earnout NasdaqEarnout	98580000	USD
CY2018	nmrk	Nasdaq Earnout NasdaqEarnout	85135000	USD
CY2020	nmrk	Provisionon Credit Losses Sharing Guarantee ProvisiononCreditLossesSharingGuarantee	11632000	USD
CY2019	nmrk	Provisionon Credit Losses Sharing Guarantee ProvisiononCreditLossesSharingGuarantee	0	USD
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	3530000	USD
CY2020	nmrk	Equitybasedcompensationandallocationofnetincometolimitedpartnershipunitsand Fp Us EquitybasedcompensationandallocationofnetincometolimitedpartnershipunitsandFPUs	130759000	USD
CY2019	nmrk	Equitybasedcompensationandallocationofnetincometolimitedpartnershipunitsand Fp Us EquitybasedcompensationandallocationofnetincometolimitedpartnershipunitsandFPUs	258836000	USD
CY2018	nmrk	Equitybasedcompensationandallocationofnetincometolimitedpartnershipunitsand Fp Us EquitybasedcompensationandallocationofnetincometolimitedpartnershipunitsandFPUs	224644000	USD
CY2019	us-gaap	Adjustment For Amortization AdjustmentForAmortization	38987000	USD
CY2018	us-gaap	Adjustment For Amortization AdjustmentForAmortization	27743000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	419000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-27852000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	16387000	USD
CY2020	nmrk	Noncash Changes In Acquisition Earnouts NoncashChangesInAcquisitionEarnouts	-9916000	USD
CY2019	nmrk	Noncash Changes In Acquisition Earnouts NoncashChangesInAcquisitionEarnouts	728000	USD
CY2018	nmrk	Noncash Changes In Acquisition Earnouts NoncashChangesInAcquisitionEarnouts	374000	USD
CY2020	nmrk	Unrealized Gains Loss On Loans Held For Sale UnrealizedGainsLossOnLoansHeldForSale	24295000	USD
CY2019	nmrk	Unrealized Gains Loss On Loans Held For Sale UnrealizedGainsLossOnLoansHeldForSale	5174000	USD
CY2018	nmrk	Unrealized Gains Loss On Loans Held For Sale UnrealizedGainsLossOnLoansHeldForSale	18430000	USD
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-11562000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	7250000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2750000	USD
CY2020	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	-2204000	USD
CY2019	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	4056000	USD
CY2018	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	3256000	USD
CY2020	nmrk	Realized Gain Loss On Non Marketable Investments RealizedGainLossOnNonMarketableInvestments	-84186000	USD
CY2019	nmrk	Realized Gain Loss On Non Marketable Investments RealizedGainLossOnNonMarketableInvestments	12159000	USD
CY2018	nmrk	Realized Gain Loss On Non Marketable Investments RealizedGainLossOnNonMarketableInvestments	17899000	USD
CY2020	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	5004000	USD
CY2019	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	11303000	USD
CY2018	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-1193000	USD
CY2020	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-13680000	USD
CY2019	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-51117000	USD
CY2018	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	19002000	USD
CY2020	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	12374231000	USD
CY2019	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	8783225000	USD
CY2018	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	8612671000	USD
CY2020	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	11527010000	USD
CY2019	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	9563973000	USD
CY2018	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	8002872000	USD
CY2020	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	3405000	USD
CY2019	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	4260000	USD
CY2018	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	1586000	USD
CY2020	nmrk	Net Income Loss After Adjustments For Noncash And Nonoperating Items NetIncomeLossAfterAdjustmentsForNoncashAndNonoperatingItems	615674000	USD
CY2019	nmrk	Net Income Loss After Adjustments For Noncash And Nonoperating Items NetIncomeLossAfterAdjustmentsForNoncashAndNonoperatingItems	-1159815000	USD
CY2018	nmrk	Net Income Loss After Adjustments For Noncash And Nonoperating Items NetIncomeLossAfterAdjustmentsForNoncashAndNonoperatingItems	286467000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-123743000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	52021000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	129490000	USD
CY2020	us-gaap	Increase Decrease In Due From Employee Current IncreaseDecreaseInDueFromEmployeeCurrent	127917000	USD
CY2019	us-gaap	Increase Decrease In Due From Employee Current IncreaseDecreaseInDueFromEmployeeCurrent	161897000	USD
CY2018	us-gaap	Increase Decrease In Due From Employee Current IncreaseDecreaseInDueFromEmployeeCurrent	109569000	USD
CY2020	nmrk	Right Of Use Asset Increase Decrease RightOfUseAssetIncreaseDecrease	-11192000	USD
CY2019	nmrk	Right Of Use Asset Increase Decrease RightOfUseAssetIncreaseDecrease	19481000	USD
CY2018	nmrk	Right Of Use Asset Increase Decrease RightOfUseAssetIncreaseDecrease	0	USD
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-21764000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	93823000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	9924000	USD
CY2020	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	-75369000	USD
CY2019	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	39959000	USD
CY2018	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	50198000	USD
CY2020	nmrk	Increase Decrease In Right Of Use Liability IncreaseDecreaseInRightOfUseLiability	-7029000	USD
CY2019	nmrk	Increase Decrease In Right Of Use Liability IncreaseDecreaseInRightOfUseLiability	72947000	USD
CY2018	nmrk	Increase Decrease In Right Of Use Liability IncreaseDecreaseInRightOfUseLiability	0	USD
CY2020	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-82415000	USD
CY2019	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	17829000	USD
CY2018	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	152885000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable Related Parties IncreaseDecreaseInAccountsPayableRelatedParties	-25989000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable Related Parties IncreaseDecreaseInAccountsPayableRelatedParties	23433000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable Related Parties IncreaseDecreaseInAccountsPayableRelatedParties	0	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-777694000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	986761000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-332367000	USD
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	12754000	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	5850000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	33939000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	34513000	USD
CY2020	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	90000	USD
CY2019	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	8560000	USD
CY2018	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	0	USD
CY2020	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	34738000	USD
CY2019	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	32606000	USD
CY2018	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	95878000	USD
CY2020	nmrk	Payments To Acquire Investment In Cost Method Investments PaymentsToAcquireInvestmentInCostMethodInvestments	0	USD
CY2019	nmrk	Payments To Acquire Investment In Cost Method Investments PaymentsToAcquireInvestmentInCostMethodInvestments	28000000	USD
CY2018	nmrk	Payments To Acquire Investment In Cost Method Investments PaymentsToAcquireInvestmentInCostMethodInvestments	29500000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	0	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	0	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	19626000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	34526000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	21016000	USD
CY2020	us-gaap	Payments To Acquire Mortgage Servicing Rights Msr PaymentsToAcquireMortgageServicingRightsMSR	200000	USD
CY2019	us-gaap	Payments To Acquire Mortgage Servicing Rights Msr PaymentsToAcquireMortgageServicingRightsMSR	1489000	USD
CY2018	us-gaap	Payments To Acquire Mortgage Servicing Rights Msr PaymentsToAcquireMortgageServicingRightsMSR	3107000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3602000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-56788000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	7742000	USD
CY2020	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	12374231000	USD
CY2019	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	8783225000	USD
CY2018	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	8612671000	USD
CY2020	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	11522677000	USD
CY2019	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	9545964000	USD
CY2018	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	8000725000	USD
CY2020	us-gaap	Proceeds From Partnership Contribution ProceedsFromPartnershipContribution	0	USD
CY2019	us-gaap	Proceeds From Partnership Contribution ProceedsFromPartnershipContribution	0	USD
CY2018	us-gaap	Proceeds From Partnership Contribution ProceedsFromPartnershipContribution	241960000	USD
CY2020	us-gaap	Proceeds From Issuance Of Preferred Limited Partners Units ProceedsFromIssuanceOfPreferredLimitedPartnersUnits	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Preferred Limited Partners Units ProceedsFromIssuanceOfPreferredLimitedPartnersUnits	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Preferred Limited Partners Units ProceedsFromIssuanceOfPreferredLimitedPartnersUnits	262169000	USD
CY2020	us-gaap	Repayments Of Related Party Debt RepaymentsOfRelatedPartyDebt	0	USD
CY2019	us-gaap	Repayments Of Related Party Debt RepaymentsOfRelatedPartyDebt	0	USD
CY2018	us-gaap	Repayments Of Related Party Debt RepaymentsOfRelatedPartyDebt	858428000	USD
CY2020	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	0	USD
CY2019	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	0	USD
CY2018	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	372950000	USD
CY2020	nmrk	Proceeds From Settlement Of Pre Spin Off Related Party Receivables ProceedsFromSettlementOfPreSpinOffRelatedPartyReceivables	0	USD
CY2019	nmrk	Proceeds From Settlement Of Pre Spin Off Related Party Receivables ProceedsFromSettlementOfPreSpinOffRelatedPartyReceivables	33892000	USD
CY2018	nmrk	Proceeds From Settlement Of Pre Spin Off Related Party Receivables ProceedsFromSettlementOfPreSpinOffRelatedPartyReceivables	0	USD
CY2020	us-gaap	Proceeds From Issuance Initial Public Offering ProceedsFromIssuanceInitialPublicOffering	0	USD
CY2019	us-gaap	Proceeds From Issuance Initial Public Offering ProceedsFromIssuanceInitialPublicOffering	0	USD
CY2018	us-gaap	Proceeds From Issuance Initial Public Offering ProceedsFromIssuanceInitialPublicOffering	-8870000	USD
CY2020	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	365000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	155000000	USD
CY2020	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	81879000	USD
CY2018	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	537575000	USD
CY2020	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	275000000	USD
CY2019	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	105000000	USD
CY2018	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	670710000	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	9189000	USD
CY2020	nmrk	Proceeds From Repayments Of Securities Loaned ProceedsFromRepaymentsOfSecuritiesLoaned	-3457000	USD
CY2019	nmrk	Proceeds From Repayments Of Securities Loaned ProceedsFromRepaymentsOfSecuritiesLoaned	36735000	USD
CY2018	nmrk	Proceeds From Repayments Of Securities Loaned ProceedsFromRepaymentsOfSecuritiesLoaned	-57623000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	6364000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	37368000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	486000	USD
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	140576000	USD
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	46490000	USD
CY2020	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	23171000	USD
CY2019	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	69245000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-895506000	USD
CY2018	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	41787000	USD
CY2020	us-gaap	Payments Of Merger Related Costs Financing Activities PaymentsOfMergerRelatedCostsFinancingActivities	4793000	USD
CY2019	us-gaap	Payments Of Merger Related Costs Financing Activities PaymentsOfMergerRelatedCostsFinancingActivities	4837000	USD
CY2018	us-gaap	Payments Of Merger Related Costs Financing Activities PaymentsOfMergerRelatedCostsFinancingActivities	4476000	USD
CY2020	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	USD
CY2019	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	USD
CY2018	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	6954000	USD
CY2020	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	4067000	USD
CY2019	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	1368000	USD
CY2018	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	1308000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	817823000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	338657000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	36527000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	34466000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	14032000	USD
CY2019	nmrk	Non Cash Treasury Stock Repurchase NonCashTreasuryStockRepurchase	4732000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	221872000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	187406000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	173374000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	258399000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	221872000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	187406000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	40640000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	36959000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	81838000	USD
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	80288000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	95089000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	1165000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	37808000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	182180000	USD
CY2018	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	USD
CY2020	nmrk	Non Cash Treasury Stock Repurchase NonCashTreasuryStockRepurchase	453000	USD
CY2018	nmrk	Non Cash Treasury Stock Repurchase NonCashTreasuryStockRepurchase	0	USD
CY2020Q4	nmrk	Investment Owned Shares Settled InvestmentOwnedSharesSettled	741505	shares
CY2020Q4	nmrk	Investment Owned Shares Settled Fair Value InvestmentOwnedSharesSettledFairValue	93500000	USD
CY2020Q4	us-gaap	Investment Owned Balance Shares InvestmentOwnedBalanceShares	250742	shares
CY2019Q4	nmrk	Investment Owned Shares Settled InvestmentOwnedSharesSettled	898685	shares
CY2019Q4	nmrk	Investment Owned Shares Settled Fair Value InvestmentOwnedSharesSettledFairValue	93500000	USD
CY2019Q4	us-gaap	Investment Owned Balance Shares InvestmentOwnedBalanceShares	93562	shares
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	178800000	USD
CY2019Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	226700000	USD
CY2019Q4	nmrk	Percentage Of Profits Allocated To Preferred Partnership Units PercentageOfProfitsAllocatedToPreferredPartnershipUnits	0.006875
CY2019Q1	nmrk	Percentage Of Profits Allocated To Preferred Partnership Units PercentageOfProfitsAllocatedToPreferredPartnershipUnits	0.006875
CY2019Q3	nmrk	Percentage Of Profits Allocated To Preferred Partnership Units PercentageOfProfitsAllocatedToPreferredPartnershipUnits	0.006875
CY2019Q2	nmrk	Percentage Of Profits Allocated To Preferred Partnership Units PercentageOfProfitsAllocatedToPreferredPartnershipUnits	0.006875
CY2019	nmrk	Percentage Of Profits Allocated To Preferred Partnership Units PercentageOfProfitsAllocatedToPreferredPartnershipUnits	0.0275
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of Estimates:</span></div><div style="text-align:justify;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of Newmark’s consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of the assets and liabilities, revenues and expenses, and the disclosure of contingent assets and liabilities on the accompanying consolidated financial statements. Management believes that the estimates utilized in preparing these consolidated financial statements are reasonable. Estimates, by their nature, are based on judgment and available information. Actual results could differ materially from the estimates included on the accompanying consolidated financial statements.</span></div>
CY2020	nmrk	Provision For Risk Sharing Obligations ProvisionForRiskSharingObligations	11600000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	11800000	USD
CY2020	us-gaap	Revenues Revenues	1904998000	USD
CY2019	us-gaap	Revenues Revenues	2218132000	USD
CY2018	us-gaap	Revenues Revenues	2047579000	USD
CY2020Q4	nmrk	Quarterly Net Profit Allocation QuarterlyNetProfitAllocation	0.006875
CY2020Q4	nmrk	Annualized Net Profit Allocation AnnualizedNetProfitAllocation	0.0275
CY2020	us-gaap	Business Combination Pro Forma Information Revenue Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual	7500000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	70281000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	104406000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	101641000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	179106000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	177774000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	157256000	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.39
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.59
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.65
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	70281000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	104406000	USD
CY2020	nmrk	Incremental Common Shares Attributable To Limited Partnership Interests IncrementalCommonSharesAttributableToLimitedPartnershipInterests	0	shares
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	101641000	USD
CY2020	nmrk	Allocation Of Income Loss To Limited Partnership Interest Diluted AllocationOfIncomeLossToLimitedPartnershipInterestDiluted	0	USD
CY2019	nmrk	Allocation Of Income Loss To Limited Partnership Interest Diluted AllocationOfIncomeLossToLimitedPartnershipInterestDiluted	3754000	USD
CY2018	nmrk	Allocation Of Income Loss To Limited Partnership Interest Diluted AllocationOfIncomeLossToLimitedPartnershipInterestDiluted	3930000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	70281000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	108160000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	105571000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	179106000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	177774000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	157256000	shares
CY2019	nmrk	Incremental Common Shares Attributable To Limited Partnership Interests IncrementalCommonSharesAttributableToLimitedPartnershipInterests	5583000	shares
CY2018	nmrk	Incremental Common Shares Attributable To Limited Partnership Interests IncrementalCommonSharesAttributableToLimitedPartnershipInterests	5717000	shares
CY2020	nmrk	Incremental Common Shares Attributable To Other Instruments IncrementalCommonSharesAttributableToOtherInstruments	355000	shares
CY2019	nmrk	Incremental Common Shares Attributable To Other Instruments IncrementalCommonSharesAttributableToOtherInstruments	1290000	shares
CY2018	nmrk	Incremental Common Shares Attributable To Other Instruments IncrementalCommonSharesAttributableToOtherInstruments	187000	shares
CY2020	nmrk	Incremental Common Shares Attributableto Exchange IncrementalCommonSharesAttributabletoExchange	229000	shares
CY2019	nmrk	Incremental Common Shares Attributableto Exchange IncrementalCommonSharesAttributabletoExchange	369000	shares
CY2018	nmrk	Incremental Common Shares Attributableto Exchange IncrementalCommonSharesAttributabletoExchange	650000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	179690000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	185016000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	163810000	shares
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.39
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.58
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.64
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	85200000	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	84500000	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	95200000	shares
CY2020Q4	nmrk	Number Of Authorized Classes Of Common Stock NumberOfAuthorizedClassesOfCommonStock	2	class
CY2020	us-gaap	Stock Issued During Period Shares Other StockIssuedDuringPeriodSharesOther	0	shares
CY2019Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	21517000	USD
CY2018Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	26170000	USD
CY2020	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	1740000	USD
CY2019	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	5288000	USD
CY2020	nmrk	Temporary Equity Distribution Of Income TemporaryEquityDistributionOfIncome	1740000	USD
CY2019	nmrk	Temporary Equity Distribution Of Income TemporaryEquityDistributionOfIncome	5355000	USD
CY2020	nmrk	Temporary Equity Redemptions TemporaryEquityRedemptions	1472000	USD
CY2019	nmrk	Temporary Equity Redemptions TemporaryEquityRedemptions	927000	USD
CY2020	us-gaap	Temporary Equity Stock Issued During Period Value New Issues TemporaryEquityStockIssuedDuringPeriodValueNewIssues	0	USD
CY2019	us-gaap	Temporary Equity Stock Issued During Period Value New Issues TemporaryEquityStockIssuedDuringPeriodValueNewIssues	3659000	USD
CY2020Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	20045000	USD
CY2019Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	21517000	USD
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-11600000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	7300000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2700000	USD
CY2020	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	100000	USD
CY2019	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	8600000	USD
CY2019	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	12600000	USD
CY2018	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	17900000	USD
CY2019	nmrk	Percentage Of Liquidity Requirement Of Outstanding Principal Of Targeted Affordable Housing Loans Serviced PercentageOfLiquidityRequirementOfOutstandingPrincipalOfTargetedAffordableHousingLoansServiced	0.08
CY2020	nmrk	Percentage Of Liquidity Requirement Of Outstanding Principal Of Targeted Affordable Housing Loans Serviced PercentageOfLiquidityRequirementOfOutstandingPrincipalOfTargetedAffordableHousingLoansServiced	0.08
CY2020	nmrk	Maximum Period Of Loans Held For Sale Sold MaximumPeriodOfLoansHeldForSaleSold	P45D
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	0	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	0	USD
CY2020	us-gaap	Interest And Fee Income Loans Held For Sale Mortgages InterestAndFeeIncomeLoansHeldForSaleMortgages	27560000	USD
CY2019	us-gaap	Interest And Fee Income Loans Held For Sale Mortgages InterestAndFeeIncomeLoansHeldForSaleMortgages	34239000	USD
CY2018	us-gaap	Interest And Fee Income Loans Held For Sale Mortgages InterestAndFeeIncomeLoansHeldForSaleMortgages	31607000	USD
CY2020	nmrk	Gains Losses Recognized For Change In Fair Value On Loans Held For Sale GainsLossesRecognizedForChangeInFairValueOnLoansHeldForSale	24294000	USD
CY2019	nmrk	Gains Losses Recognized For Change In Fair Value On Loans Held For Sale GainsLossesRecognizedForChangeInFairValueOnLoansHeldForSale	5174000	USD
CY2018	nmrk	Gains Losses Recognized For Change In Fair Value On Loans Held For Sale GainsLossesRecognizedForChangeInFairValueOnLoansHeldForSale	18430000	USD
CY2019Q4	nmrk	Credit Enhancement Receivable CreditEnhancementReceivable	0	USD
CY2020Q4	nmrk	Credit Enhancement Receivable CreditEnhancementReceivable	0	USD
CY2020Q4	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Asset At Fair Value DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue	41488000	USD
CY2020Q4	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Liability At Fair Value DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue	17948000	USD
CY2020Q4	us-gaap	Derivative Asset Notional Amount DerivativeAssetNotionalAmount	1830454000	USD
CY2019Q4	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Asset At Fair Value DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue	72926000	USD
CY2019Q4	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Liability At Fair Value DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue	25661000	USD
CY2019Q4	us-gaap	Derivative Asset Notional Amount DerivativeAssetNotionalAmount	3271250000	USD
CY2020Q4	us-gaap	Fair Value Concentration Of Risk Loans Receivable FairValueConcentrationOfRiskLoansReceivable	24048754000	USD
CY2019Q4	us-gaap	Fair Value Concentration Of Risk Loans Receivable FairValueConcentrationOfRiskLoansReceivable	20209577000	USD
CY2020Q4	us-gaap	Security Deposit SecurityDeposit	25000000.0	USD
CY2019Q4	us-gaap	Security Deposit SecurityDeposit	25000000.0	USD
CY2020Q4	us-gaap	Security Deposit SecurityDeposit	25000000.0	USD
CY2020Q4	us-gaap	Security Deposit SecurityDeposit	25000000.0	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1435401000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1842402000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1700786000	USD
CY2020	us-gaap	Revenues Revenues	1904998000	USD
CY2019	us-gaap	Revenues Revenues	2218132000	USD
CY2018	us-gaap	Revenues Revenues	2047579000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	2900000	USD
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	4200000	USD
CY2020	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	2800000	USD
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	1800000	USD
CY2020	nmrk	Fair Value Of Expected Net Future Cash Flows From Servicing Recognized At Commitment Net FairValueOfExpectedNetFutureCashFlowsFromServicingRecognizedAtCommitmentNet	194814000	USD
CY2019	nmrk	Fair Value Of Expected Net Future Cash Flows From Servicing Recognized At Commitment Net FairValueOfExpectedNetFutureCashFlowsFromServicingRecognizedAtCommitmentNet	109249000	USD
CY2018	nmrk	Fair Value Of Expected Net Future Cash Flows From Servicing Recognized At Commitment Net FairValueOfExpectedNetFutureCashFlowsFromServicingRecognizedAtCommitmentNet	103202000	USD
CY2020	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	116100000	USD
CY2019	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	88836000	USD
CY2018	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	79062000	USD
CY2020	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	310914000	USD
CY2019	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	198085000	USD
CY2018	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	182264000	USD
CY2020	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	116005000	USD
CY2019	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	104305000	USD
CY2018	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	103365000	USD
CY2020	nmrk	Escrow Interest And Placement Fees Amount EscrowInterestAndPlacementFeesAmount	6140000	USD
CY2019	nmrk	Escrow Interest And Placement Fees Amount EscrowInterestAndPlacementFeesAmount	22417000	USD
CY2018	nmrk	Escrow Interest And Placement Fees Amount EscrowInterestAndPlacementFeesAmount	18293000	USD
CY2020	us-gaap	Ancillary Fee Income Generated By Servicing Financial Assets Amount AncillaryFeeIncomeGeneratedByServicingFinancialAssetsAmount	7353000	USD
CY2019	us-gaap	Ancillary Fee Income Generated By Servicing Financial Assets Amount AncillaryFeeIncomeGeneratedByServicingFinancialAssetsAmount	13671000	USD
CY2018	us-gaap	Ancillary Fee Income Generated By Servicing Financial Assets Amount AncillaryFeeIncomeGeneratedByServicingFinancialAssetsAmount	10118000	USD
CY2020	nmrk	Contractually Specified Servicing Fees Ancillary Fees Escrow Interest And Placement Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesAncillaryFeesEscrowInterestAndPlacementFeesEarnedInExchangeForServicingFinancialAssets	129498000	USD
CY2019	nmrk	Contractually Specified Servicing Fees Ancillary Fees Escrow Interest And Placement Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesAncillaryFeesEscrowInterestAndPlacementFeesEarnedInExchangeForServicingFinancialAssets	140393000	USD
CY2018	nmrk	Contractually Specified Servicing Fees Ancillary Fees Escrow Interest And Placement Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesAncillaryFeesEscrowInterestAndPlacementFeesEarnedInExchangeForServicingFinancialAssets	131776000	USD
CY2020Q4	nmrk	Primary Servicing Portfolio PrimaryServicingPortfolio	66300000000	USD
CY2019Q4	nmrk	Primary Servicing Portfolio PrimaryServicingPortfolio	59900000000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	560332000	USD
CY2020Q4	nmrk	Special Servicing Portfolio SpecialServicingPortfolio	2300000000	USD
CY2019Q4	nmrk	Special Servicing Portfolio SpecialServicingPortfolio	2400000000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	515321000	USD
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	43804000	USD
CY2019	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-1211000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	557914000	USD
CY2020	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	6294000	USD
CY2020	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-3876000	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	67515000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	23226000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	44289000	USD
CY2020	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P5Y6M
CY2019Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	67440000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	22214000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	45226000	USD
CY2019	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P4Y10M24D
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6700000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6900000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5600000	USD
CY2019	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	1600000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	5700000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	3660000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	3301000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	2747000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	2287000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	9854000	USD
CY2020Q4	nmrk	Finite Lived Intangible Assets Expected Amortization Expense FiniteLivedIntangibleAssetsExpectedAmortizationExpense	27549000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	183524000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	164248000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	87157000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	66232000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	96367000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	98016000	USD
CY2020	us-gaap	Depreciation Depreciation	22900000	USD
CY2019	us-gaap	Depreciation Depreciation	22700000	USD
CY2018	us-gaap	Depreciation Depreciation	13700000	USD
CY2018	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	USD
CY2020	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	2000000.0	USD
CY2019	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	5900000	USD
CY2018	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	2400000	USD
CY2020	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	1300000	USD
CY2019	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	2000000.0	USD
CY2018	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	900000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Term Of Contract LesseeOperatingLeaseTermOfContract	P12Y
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	50400000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	47100000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	49000000.0	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	44400000	USD
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	800000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	27200000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	218600000	USD
CY2019	us-gaap	Short Term Lease Cost ShortTermLeaseCost	2300000	USD
CY2020	us-gaap	Sublease Income SubleaseIncome	1300000	USD
CY2019	us-gaap	Sublease Income SubleaseIncome	700000	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	5100000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0711
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0724
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y2M12D
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y9M18D
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	190500000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	201700000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	29500000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	227900000	USD
CY2020	us-gaap	Lease Cost LeaseCost	49900000	USD
CY2019	us-gaap	Lease Cost LeaseCost	49400000	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	42600000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	37866000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	45701000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	44709000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	42072000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	42612000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	40507000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	39812000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	38210000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	36520000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	35602000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	126668000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	146463000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	329334000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	347408000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	81237000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	92282000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	248097000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	255126000	USD
CY2020Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	32259000	USD
CY2019Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	51021000	USD
CY2020Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	18900000	USD
CY2019Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	15251000	USD
CY2020Q4	us-gaap	Prepaid Taxes PrepaidTaxes	9204000	USD
CY2019Q4	us-gaap	Prepaid Taxes PrepaidTaxes	22483000	USD
CY2020Q4	us-gaap	Deposit Assets DepositAssets	1539000	USD
CY2019Q4	us-gaap	Deposit Assets DepositAssets	1703000	USD
CY2019Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	21905000	USD
CY2020Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	1086805000	USD
CY2020Q4	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	1888000	USD
CY2019Q4	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	736000	USD
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	63790000	USD
CY2019Q4	us-gaap	Other Assets Current OtherAssetsCurrent	91194000	USD
CY2020Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	187526000	USD
CY2019Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	182781000	USD
CY2020Q4	us-gaap	Equity Method Investments EquityMethodInvestments	88315000	USD
CY2019Q4	us-gaap	Equity Method Investments EquityMethodInvestments	99966000	USD
CY2020Q4	us-gaap	Debt Securities DebtSecurities	12754000	USD
CY2019Q4	us-gaap	Debt Securities DebtSecurities	0	USD
CY2020Q4	nmrk	Non Marketable Investments NonMarketableInvestments	9927000	USD
CY2019Q4	nmrk	Non Marketable Investments NonMarketableInvestments	94113000	USD
CY2020Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	9229000	USD
CY2019Q4	nmrk	Financial Guarantee Liability.Credit Risk Service Loans FinancialGuaranteeLiability.CreditRiskServiceLoans	20200000000	USD
CY2019Q4	nmrk	Financial Guarantee Liability Maximum Potential Loss FinancialGuaranteeLiabilityMaximumPotentialLoss	5800000000	USD
CY2020Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	15171000	USD
CY2019Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	9133000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	322922000	USD
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	407898000	USD
CY2020Q4	us-gaap	Warehouse Agreement Borrowings WarehouseAgreementBorrowings	1061202000	USD
CY2019Q4	us-gaap	Warehouse Agreement Borrowings WarehouseAgreementBorrowings	209648000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	680385000	USD
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	589294000	USD
CY2020Q4	nmrk	Financial Guarantee Liability.Credit Risk Service Loans FinancialGuaranteeLiability.CreditRiskServiceLoans	24000000000.0	USD
CY2020Q4	nmrk	Financial Guarantee Liability Maximum Potential Loss FinancialGuaranteeLiabilityMaximumPotentialLoss	7200000000	USD
CY2020Q4	nmrk	Financial Guarantee Liability Maximum Potential Loss Covered By Credit Enhancement Agreement FinancialGuaranteeLiabilityMaximumPotentialLossCoveredByCreditEnhancementAgreement	6200000	USD
CY2019Q4	nmrk	Financial Guarantee Liability Maximum Potential Loss Covered By Credit Enhancement Agreement FinancialGuaranteeLiabilityMaximumPotentialLossCoveredByCreditEnhancementAgreement	9800000	USD
CY2020	nmrk	Provision For Risk Sharing Obligations ProvisionForRiskSharingObligations	11600000	USD
CY2018Q4	us-gaap	Guaranty Liabilities GuarantyLiabilities	32000	USD
CY2019	nmrk	Guaranty Liabilities Reversal To Provision GuarantyLiabilitiesReversalToProvision	17000	USD
CY2019Q4	us-gaap	Guaranty Liabilities GuarantyLiabilities	15000	USD
CY2020	nmrk	Provision For Risk Sharing Obligations ProvisionForRiskSharingObligations	11631000	USD
CY2020Q4	us-gaap	Guaranty Liabilities GuarantyLiabilities	29581000	USD
CY2020Q4	us-gaap	Escrow Deposit EscrowDeposit	1300000000	USD
CY2019Q4	us-gaap	Escrow Deposit EscrowDeposit	925000000.0	USD
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	70833000	USD
CY2020Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	33283000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	-6885000	USD
CY2019Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	70833000	USD
CY2020Q4	us-gaap	Debt Securities DebtSecurities	12754000	USD
CY2020Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1174330000	USD
CY2020Q4	nmrk	Contingent Consideration Fair Value ContingentConsiderationFairValue	31481000	USD
CY2020Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	49429000	USD
CY2019Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	36795000	USD
CY2019Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	215290000	USD
CY2019Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	325011000	USD
CY2019Q4	nmrk	Contingent Consideration Fair Value ContingentConsiderationFairValue	45172000	USD
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	72926000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	14986000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues	0	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	46424000	USD
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	41488000	USD
CY2020	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	41488000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	14909000	USD
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	72926000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues	2221000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	30510000	USD
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	49429000	USD
CY2020	us-gaap	Fair Value Liabilities Measured On Recurring Basis Change In Unrealized Gain Loss FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-17540000	USD
CY2018Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	92528000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-4693000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues	0	USD
CY2019	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	72926000	USD
CY2018Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	49229000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	-27948000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues	14957000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	21301000	USD
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	70833000	USD
CY2019	us-gaap	Fair Value Liabilities Measured On Recurring Basis Change In Unrealized Gain Loss FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-27948000	USD
CY2020Q4	us-gaap	Accounts Receivable Related Parties AccountsReceivableRelatedParties	0	USD
CY2019Q4	us-gaap	Accounts Receivable Related Parties AccountsReceivableRelatedParties	0	USD
CY2020Q4	us-gaap	Accounts Payable Related Parties Current And Noncurrent AccountsPayableRelatedPartiesCurrentAndNoncurrent	4400000	USD
CY2019Q4	us-gaap	Accounts Payable Related Parties Current And Noncurrent AccountsPayableRelatedPartiesCurrentAndNoncurrent	38100000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	24880000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	63359000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	49985000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	6038000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	15130000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	19290000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2811000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	464000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1239000	USD
CY2020	nmrk	Current Unincorporated Business Tax Expense Benefit CurrentUnincorporatedBusinessTaxExpenseBenefit	2845000	USD
CY2019	nmrk	Current Unincorporated Business Tax Expense Benefit CurrentUnincorporatedBusinessTaxExpenseBenefit	1335000	USD
CY2018	nmrk	Current Unincorporated Business Tax Expense Benefit CurrentUnincorporatedBusinessTaxExpenseBenefit	3586000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	36574000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	80288000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	74100000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	3249000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-25103000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-9972000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1912000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-4025000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	24092000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-120000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-15000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	44971000	USD
CY2020	nmrk	Deferred Unincorporated Business Tax Expense Benefit DeferredUnincorporatedBusinessTaxExpenseBenefit	-798000	USD
CY2019	nmrk	Deferred Unincorporated Business Tax Expense Benefit DeferredUnincorporatedBusinessTaxExpenseBenefit	1291000	USD
CY2018	nmrk	Deferred Unincorporated Business Tax Expense Benefit DeferredUnincorporatedBusinessTaxExpenseBenefit	2267000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	419000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-27852000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	16387000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	36993000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	52436000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	90487000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	146300000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	214100000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	282400000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-4500000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-6400000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-3700000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	30717000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	59297000	USD
CY2020	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	10378000	USD
CY2019	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	15097000	USD
CY2018	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	26257000	USD
CY2020	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	212000	USD
CY2019	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-145000	USD
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	44000	USD
CY2020	nmrk	Income Tax Reconciliation Other Permanent Differences IncomeTaxReconciliationOtherPermanentDifferences	5272000	USD
CY2019	nmrk	Income Tax Reconciliation Other Permanent Differences IncomeTaxReconciliationOtherPermanentDifferences	9915000	USD
CY2018	nmrk	Income Tax Reconciliation Other Permanent Differences IncomeTaxReconciliationOtherPermanentDifferences	9948000	USD
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	5984000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	12271000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	13353000	USD
CY2020	nmrk	Income Tax Reconciliation Unincorporated Business Tax IncomeTaxReconciliationUnincorporatedBusinessTax	2046000	USD
CY2019	nmrk	Income Tax Reconciliation Unincorporated Business Tax IncomeTaxReconciliationUnincorporatedBusinessTax	2627000	USD
CY2018	nmrk	Income Tax Reconciliation Unincorporated Business Tax IncomeTaxReconciliationUnincorporatedBusinessTax	3119000	USD
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Amortization IncomeTaxReconciliationNondeductibleExpenseAmortization	0	USD
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Amortization IncomeTaxReconciliationNondeductibleExpenseAmortization	0	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Amortization IncomeTaxReconciliationNondeductibleExpenseAmortization	0	USD
CY2020	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2020	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-4747000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	2457000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	23001000	USD
CY2020	nmrk	Income Tax Reconciliation Section453 A Interest IncomeTaxReconciliationSection453AInterest	1419000	USD
CY2019	nmrk	Income Tax Reconciliation Section453 A Interest IncomeTaxReconciliationSection453AInterest	1640000	USD
CY2018	nmrk	Income Tax Reconciliation Section453 A Interest IncomeTaxReconciliationSection453AInterest	2003000	USD
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	2137000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	2902000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	1281000	USD
CY2020	nmrk	Income Tax Reconciliation Return To Provision Adjustments IncomeTaxReconciliationReturnToProvisionAdjustments	4628000	USD
CY2019	nmrk	Income Tax Reconciliation Return To Provision Adjustments IncomeTaxReconciliationReturnToProvisionAdjustments	-7981000	USD
CY2018	nmrk	Income Tax Reconciliation Return To Provision Adjustments IncomeTaxReconciliationReturnToProvisionAdjustments	2341000	USD
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-297000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1124000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	2357000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	36993000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	52436000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	90487000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	65954000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	54445000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	167251000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	153978000	USD
CY2020Q4	nmrk	Deferred Tax Assets Other Deferred And Accrued Expenses DeferredTaxAssetsOtherDeferredAndAccruedExpenses	4584000	USD
CY2019Q4	nmrk	Deferred Tax Assets Other Deferred And Accrued Expenses DeferredTaxAssetsOtherDeferredAndAccruedExpenses	7655000	USD
CY2020Q4	nmrk	Deferred Tax Assets Net Operating Loss And Credit Carryforwards DeferredTaxAssetsNetOperatingLossAndCreditCarryforwards	2447000	USD
CY2019Q4	nmrk	Deferred Tax Assets Net Operating Loss And Credit Carryforwards DeferredTaxAssetsNetOperatingLossAndCreditCarryforwards	4216000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	240236000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	220294000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	2035000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	3973000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	238201000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	216321000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	50675000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	30156000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	0	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	3384000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	50675000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	33540000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	187526000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	182781000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	2000000.0	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	29468000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	208000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	208000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	208000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	200000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	USD
CY2020Q4	nmrk	Accounts Payable And Accrued Expenses Current AccountsPayableAndAccruedExpensesCurrent	97304000	USD
CY2019Q4	nmrk	Accounts Payable And Accrued Expenses Current AccountsPayableAndAccruedExpensesCurrent	161988000	USD
CY2020Q4	nmrk	Outside Broker Payable Current OutsideBrokerPayableCurrent	53504000	USD
CY2019Q4	nmrk	Outside Broker Payable Current OutsideBrokerPayableCurrent	74280000	USD
CY2020Q4	us-gaap	Accrued Payroll Taxes Current AccruedPayrollTaxesCurrent	60696000	USD
CY2019Q4	us-gaap	Accrued Payroll Taxes Current AccruedPayrollTaxesCurrent	45612000	USD
CY2020Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	25666000	USD
CY2019Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	69237000	USD
CY2020Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	17948000	USD
CY2019Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	25661000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	27184000	USD
CY2020Q4	nmrk	Credit Enhancement Deposits CreditEnhancementDeposits	25000000	USD
CY2019Q4	nmrk	Credit Enhancement Deposits CreditEnhancementDeposits	0	USD
CY2020Q4	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	16962000	USD
CY2019Q4	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	13107000	USD
CY2020Q4	us-gaap	Accounts Payable And Other Accrued Liabilities Current AccountsPayableAndOtherAccruedLiabilitiesCurrent	326548000	USD
CY2019Q4	us-gaap	Accounts Payable And Other Accrued Liabilities Current AccountsPayableAndOtherAccruedLiabilitiesCurrent	417069000	USD
CY2020Q4	nmrk	Accrued Compensation Noncurrent AccruedCompensationNoncurrent	331288000	USD
CY2019Q4	nmrk	Accrued Compensation Noncurrent AccruedCompensationNoncurrent	278399000	USD
CY2020Q4	nmrk	Accrued Payroll Taxes Noncurrent AccruedPayrollTaxesNoncurrent	61564000	USD
CY2019Q4	nmrk	Accrued Payroll Taxes Noncurrent AccruedPayrollTaxesNoncurrent	41355000	USD
CY2020Q4	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	14519000	USD
CY2019Q4	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	32065000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	376834000	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	366000000.0	shares
CY2020Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	0	USD
CY2019Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	25000000	USD
CY2020Q4	us-gaap	Guaranty Liabilities GuarantyLiabilities	29581000	USD
CY2019Q4	us-gaap	Guaranty Liabilities GuarantyLiabilities	15000	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	436952000	USD
CY2020	nmrk	Share Based Compensation Arrangement By Share Based Payment Award Units Redeemed ShareBasedCompensationArrangementByShareBasedPaymentAwardUnitsRedeemed	4977354	shares
CY2019	nmrk	Share Based Compensation Arrangement By Share Based Payment Award Units Redeemed ShareBasedCompensationArrangementByShareBasedPaymentAwardUnitsRedeemed	2931287	shares
CY2018	nmrk	Share Based Compensation Arrangement By Share Based Payment Award Units Redeemed ShareBasedCompensationArrangementByShareBasedPaymentAwardUnitsRedeemed	25253431	shares
CY2020	nmrk	Common Stock Exchangeability Granted Issued Expense CommonStockExchangeabilityGrantedIssuedExpense	36458000	USD
CY2019	nmrk	Common Stock Exchangeability Granted Issued Expense CommonStockExchangeabilityGrantedIssuedExpense	35499000	USD
CY2018	nmrk	Common Stock Exchangeability Granted Issued Expense CommonStockExchangeabilityGrantedIssuedExpense	142333000	USD
CY2020Q4	nmrk	Liability Balance Acquisition Related Post Termination Units LiabilityBalanceAcquisitionRelatedPostTerminationUnits	6800000	USD
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	3300000	shares
CY2020Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions	78100000	USD
CY2020Q4	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	400000	USD
CY2019	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	800000	USD
CY2018	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	2100000	USD
CY2020Q4	us-gaap	Deferred Compensation Cashbased Arrangements Liability Current And Noncurrent DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent	1300000	USD
CY2019Q4	us-gaap	Deferred Compensation Cashbased Arrangements Liability Current And Noncurrent DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent	1500000	USD
CY2020Q4	us-gaap	Contractual Obligation ContractualObligation	2184101000	USD
CY2020Q4	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	1144304000	USD
CY2020Q4	us-gaap	Contractual Obligation Due In Second And Third Year ContractualObligationDueInSecondAndThirdYear	838743000	USD
CY2020Q4	us-gaap	Contractual Obligation Due In Fourth And Fifth Year ContractualObligationDueInFourthAndFifthYear	74386000	USD
CY2020Q4	us-gaap	Contractual Obligation Due After Fifth Year ContractualObligationDueAfterFifthYear	126668000	USD

Files In Submission

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0001690680-21-000013.txt	Edgar Link	pending
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$NMRK
NEWMARK GROUP, INC. Stock $nmrk

2020 Form 10-K Financial Statement

#000169068021000013 Filed on March 01, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NMRK NEWMARK GROUP, INC. Stock $nmrk

2020 Form 10-K Financial Statement

#000169068021000013 Filed on March 01, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NMRK
NEWMARK GROUP, INC. Stock $nmrk