$NMRK
NEWMARK GROUP, INC. Stock $nmrk

$nmrk Overview Financials Valuation SEC Filings Company Website

2018 Q4 Form 10-K Financial Statement

#000169068020000012 Filed on February 28, 2020

Income Statement

Concept	2018 Q4	2017 Q4	2017
Revenue	$631.7M	$460.6M	$1.596B
YoY Change	37.15%	18.83%	18.26%
Cost Of Revenue	$6.300M	$6.500M	$20.80M
YoY Change	-3.08%	182.61%	15.56%
Gross Profit	$625.4M	$454.0M	$1.576B
YoY Change	37.75%	17.86%	18.3%
Gross Profit Margin	99.0%	98.57%	98.7%
Selling, General & Admin	$533.7M	$417.5M	$1.354B
YoY Change	27.83%	31.62%	22.3%
% of Gross Profit	85.34%	91.96%	85.9%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$29.10M	$24.40M	$12.20M
YoY Change	19.26%	76.81%	23.23%
% of Gross Profit	4.65%	5.37%	0.77%
Operating Expenses	$545.0M	$444.2M	$1.370B
YoY Change	22.69%	33.84%	17.6%
Operating Profit	$80.40M	$9.800M	$199.8M
YoY Change	720.41%	-81.61%	19.33%
Interest Expense	-$4.000M	-$1.500M	$2.800M
YoY Change	166.67%	-250.0%	-26.32%
% of Operating Profit	-4.98%	-15.31%	1.4%
Other Income/Expense, Net
YoY Change
Pretax Income	$76.40M	$8.500M	$202.6M
YoY Change	798.82%	-84.38%	18.32%
Income Tax	$36.90M	-$10.60M	$57.48M
% Of Pretax Income	48.3%	-124.71%	28.37%
Net Earnings	$17.80M	-$46.20M	$144.5M
YoY Change	-138.53%	-188.0%	-14.2%
Net Earnings / Revenue	2.82%	-10.03%	9.05%
Basic Earnings Per Share			$1.08
Diluted Earnings Per Share	$66.52K	-$299.2K	$0.85
COMMON SHARES
Basic Shares Outstanding			133.4M shares
Diluted Shares Outstanding			138.4M shares

Balance Sheet

Concept	2018 Q4	2017 Q4	2017
SHORT-TERM ASSETS
Cash & Short-Term Investments	$171.4M	$178.7M	$178.7M
YoY Change	-4.09%	168.32%	168.32%
Cash & Equivalents	$122.5M	$121.0M	$121.0M
Short-Term Investments	$48.90M	$57.60M	$57.60M
Other Short-Term Assets	$57.74M	$20.99M	$73.30M
YoY Change	175.03%	-75.1%	-13.05%
Inventory
Prepaid Expenses	$15.57M	$12.71M
Receivables	$451.6M	$210.5M	$210.5M
Other Receivables	$1.021B	$362.6M	$362.6M
Total Short-Term Assets	$1.757B	$825.1M	$825.1M
YoY Change	112.95%	-44.35%	-44.35%
LONG-TERM ASSETS
Property, Plant & Equipment	$78.81M	$64.82M	$64.80M
YoY Change	21.57%	14.73%	14.69%
Goodwill	$515.3M	$477.5M
YoY Change	7.91%	15.67%
Intangibles	$35.77M	$24.92M
YoY Change	43.53%
Long-Term Investments	$101.3M	$101.6M	$107.6M
YoY Change	-0.28%	3402.14%	3610.34%
Other Assets	$369.9M	$278.5M	$170.9M
YoY Change	32.83%	992.0%	570.2%
Total Long-Term Assets	$1.697B	$1.448B	$1.448B
YoY Change	17.21%	37.63%	37.63%
TOTAL ASSETS
Total Short-Term Assets	$1.757B	$825.1M	$825.1M
Total Long-Term Assets	$1.697B	$1.448B	$1.448B
Total Assets	$3.454B	$2.273B	$2.273B
YoY Change	51.96%	-10.32%	-10.32%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$113.7M	$79.40M	$79.40M
YoY Change	43.2%	38.09%	38.09%
Accrued Expenses	$406.1M	$218.1M	$218.1M
YoY Change	86.2%	38.13%	38.13%
Deferred Revenue
YoY Change
Short-Term Debt	$972.4M	$418.1M	$418.1M
YoY Change	132.58%	62.05%	62.05%
Long-Term Debt Due	$13.50M	$34.20M	$34.20M
YoY Change	-60.53%
Total Short-Term Liabilities	$1.665B	$782.6M	$782.6M
YoY Change	112.71%	-44.51%	-44.51%
LONG-TERM LIABILITIES
Long-Term Debt	$537.9M	$670.7M	$1.083B
YoY Change	-19.8%	167577.5%	270700.0%
Other Long-Term Liabilities	$168.6M	$163.8M	$163.8M
YoY Change	2.95%	19.3%	19.3%
Total Long-Term Liabilities	$706.5M	$834.5M	$1.247B
YoY Change	-15.33%	506.03%	805.59%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.665B	$782.6M	$782.6M
Total Long-Term Liabilities	$706.5M	$834.5M	$1.247B
Total Liabilities	$2.371B	$2.030B	$2.013B
YoY Change	16.83%	30.7%	29.6%
SHAREHOLDERS EQUITY
Retained Earnings	$278.0M	$199.5M
YoY Change	39.33%
Common Stock	$285.1M	$59.37M
YoY Change	380.13%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$567.6M	$260.4M	$260.4M
YoY Change
Total Liabilities & Shareholders Equity	$3.454B	$2.273B	$2.273B
YoY Change	51.96%	-10.32%	-10.32%

Cashflow Statement

Concept	2018 Q4	2017 Q4	2017
OPERATING ACTIVITIES
Net Income	$17.80M	-$46.20M	$144.5M
YoY Change	-138.53%	-188.0%	-14.2%
Depreciation, Depletion And Amortization	$29.10M	$24.40M	$12.20M
YoY Change	19.26%	76.81%	23.23%
Cash From Operating Activities	$304.0M	$342.6M	$853.6M
YoY Change	-11.27%	-179.12%	-232.52%
INVESTING ACTIVITIES
Capital Expenditures	-$11.20M	-$7.200M	$19.07M
YoY Change	55.56%	-33.94%	-30.05%
Acquisitions			-$2.793M
YoY Change
Other Investing Activities	$35.50M	$18.70M	$21.50M
YoY Change	89.84%	18600.0%	4200.0%
Cash From Investing Activities	$24.20M	$11.50M	$379.0K
YoY Change	110.43%	-206.48%	-101.1%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$0.00
YoY Change
Debt Paid & Issued, Net		$304.3M	$304.3M
YoY Change
Cash From Financing Activities	-527.9M	-370.3M	-$798.2M
YoY Change	42.56%	-184.81%	-225.51%
NET CHANGE
Cash From Operating Activities	304.0M	342.6M	$853.6M
Cash From Investing Activities	24.20M	11.50M	$379.0K
Cash From Financing Activities	-527.9M	-370.3M	-$798.2M
Net Change In Cash	-199.7M	-16.20M	$55.82M
YoY Change	1132.72%	125.0%	-230.98%
FREE CASH FLOW
Cash From Operating Activities	$304.0M	$342.6M	$853.6M
Capital Expenditures	-$11.20M	-$7.200M	$19.07M
Free Cash Flow	$315.2M	$349.8M	$834.6M
YoY Change	-9.89%	-182.87%	-224.3%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0001690680
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CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
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CY2019Q4	nmrk	Percentage Of Profits Allocated To Preferred Partnership Units PercentageOfProfitsAllocatedToPreferredPartnershipUnits	0.006875
CY2019	nmrk	Post Termination Award Payout Period PostTerminationAwardPayoutPeriod	P4Y
CY2019Q4	nmrk	Servicing Asset Servicing Fee ServicingAssetServicingFee	0.0003
CY2019Q4	nmrk	Servicing Asset Surveillance Fee ServicingAssetSurveillanceFee	0.0001
CY2018Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	4200000	USD
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CY2019Q4	us-gaap	Fair Value Liabilities Level2 To Level1 Transfers Amount FairValueLiabilitiesLevel2ToLevel1TransfersAmount	0	USD
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CY2019	dei	Document Type DocumentType	10-K
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CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-12-31
CY2019	dei	Document Transition Report DocumentTransitionReport	false
CY2019	dei	Entity File Number EntityFileNumber	001-38329
CY2019	dei	Entity Registrant Name EntityRegistrantName	NEWMARK GROUP, INC.
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	81-4467492
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	125 Park Avenue
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	New York
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	NY
CY2019	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	10017
CY2019	dei	City Area Code CityAreaCode	212
CY2019	dei	Local Phone Number LocalPhoneNumber	372-2000
CY2019	dei	Security12b Title Security12bTitle	Class A Common Stock, $0.01 par value
CY2019	dei	Trading Symbol TradingSymbol	NMRK
CY2019	dei	Security Exchange Name SecurityExchangeName	NASDAQ
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CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	214148000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	282385000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	202574000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	52436000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	90487000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	57478000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	161712000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	191898000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	145096000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	44407000	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	85166000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	604000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	117305000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	106732000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	144492000	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
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	144492000	USD
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.59
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.65
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.08
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
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	133413000	shares
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	108160000	USD
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.85
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
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	138398000	shares
CY2019	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	12900000	USD
CY2018	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	5100000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	161712000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	191898000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	145096000	USD
CY2019	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
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	604000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	117305000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	106732000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	144492000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	983783000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	145096000	USD
CY2017	nmrk	Distributions To Parent And Noncontrolling Interests DistributionsToParentAndNoncontrollingInterests	190948000	USD
CY2017	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	19146000	USD
CY2017	nmrk	Assumption Of Debt Facilities From Parent AssumptionOfDebtFacilitiesFromParent	1387500000	USD
CY2017	us-gaap	Partners Capital Account Contributions PartnersCapitalAccountContributions	368418000	USD
CY2017	nmrk	Temporary Equity Carrying Amount Transfer Of Pre Public Offering Capital To Redeemable Partnership Interests TemporaryEquityCarryingAmountTransferOfPrePublicOfferingCapitalToRedeemablePartnershipInterests	21096000	USD
CY2017	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	295419000	USD
CY2017	us-gaap	Stock Granted During Period Value Sharebased Compensation StockGrantedDuringPeriodValueSharebasedCompensation	10000000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	222318000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	191898000	USD
CY2018Q1	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	18805000	USD
CY2018	nmrk	Reduction Of Earnings Distributions ReductionOfEarningsDistributions	2144000	USD
CY2018	us-gaap	Dividends Common Stock Stock DividendsCommonStockStock	41788000	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	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	241960000	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	Stockholders Equity Other StockholdersEquityOther	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	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	us-gaap	Stockholders Equity Other StockholdersEquityOther	-2487000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	940625000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	161712000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	191898000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	145096000	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	97733000	USD
CY2018	nmrk	Gain On Originated Mortgage Servicing Rights GainOnOriginatedMortgageServicingRights	95284000	USD
CY2019	nmrk	Gain On Originated Mortgage Servicing Rights GainOnOriginatedMortgageServicingRights	103160000	USD
CY2017	nmrk	Gain On Originated Mortgage Servicing Rights GainOnOriginatedMortgageServicingRights	120970000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	131144000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1562000	USD
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1817000	USD
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	3530000	USD
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	6099000	USD
CY2019	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	4056000	USD
CY2018	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	3256000	USD
CY2017	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	0	USD
CY2019	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	11303000	USD
CY2017	us-gaap	Depreciation And Amortization DepreciationAndAmortization	95815000	USD
CY2019	nmrk	Nasdaq Earnout NasdaqEarnout	98580000	USD
CY2018	nmrk	Nasdaq Earnout NasdaqEarnout	85135000	USD
CY2017	nmrk	Nasdaq Earnout NasdaqEarnout	76969000	USD
CY2019	nmrk	Equitybasedcompensationandallocationofnetincometolimitedpartnershipunitsand Fp Us EquitybasedcompensationandallocationofnetincometolimitedpartnershipunitsandFPUs	258836000	USD
CY2018	nmrk	Equitybasedcompensationandallocationofnetincometolimitedpartnershipunitsand Fp Us EquitybasedcompensationandallocationofnetincometolimitedpartnershipunitsandFPUs	224644000	USD
CY2017	nmrk	Equitybasedcompensationandallocationofnetincometolimitedpartnershipunitsand Fp Us EquitybasedcompensationandallocationofnetincometolimitedpartnershipunitsandFPUs	10000000	USD
CY2019	us-gaap	Adjustment For Amortization AdjustmentForAmortization	38987000	USD
CY2018	us-gaap	Adjustment For Amortization AdjustmentForAmortization	27743000	USD
CY2017	us-gaap	Adjustment For Amortization AdjustmentForAmortization	34420000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-27852000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	16387000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	44383000	USD
CY2019	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	728000	USD
CY2018	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	374000	USD
CY2017	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	2675000	USD
CY2019	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	12159000	USD
CY2018	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	17899000	USD
CY2017	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	0	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
CY2017	nmrk	Unrealized Gains Loss On Loans Held For Sale UnrealizedGainsLossOnLoansHeldForSale	2194000	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
CY2018	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-1193000	USD
CY2017	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	0	USD
CY2019	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-51117000	USD
CY2018	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	19002000	USD
CY2017	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-636000	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
CY2017	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	8844768000	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
CY2017	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	9556163000	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
CY2019	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	4260000	USD
CY2018	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	1586000	USD
CY2017	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	1367000	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
CY2017	nmrk	Net Income Loss After Adjustments For Noncash And Nonoperating Items NetIncomeLossAfterAdjustmentsForNoncashAndNonoperatingItems	850191000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	52021000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	129490000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	57175000	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
CY2017	us-gaap	Increase Decrease In Due From Employee Current IncreaseDecreaseInDueFromEmployeeCurrent	34321000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	113241000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	9924000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-36086000	USD
CY2019	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	39959000	USD
CY2018	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	50198000	USD
CY2017	us-gaap	Increase Decrease In Accrued Salaries IncreaseDecreaseInAccruedSalaries	45753000	USD
CY2019	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	90712000	USD
CY2018	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	152885000	USD
CY2017	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	13103000	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
CY2017	us-gaap	Increase Decrease In Accounts Payable Related Parties IncreaseDecreaseInAccountsPayableRelatedParties	0	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	986760000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-332367000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	853637000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-2793000	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
CY2017	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	0	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
CY2017	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	18710000	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
CY2017	nmrk	Payments To Acquire Investment In Cost Method Investments PaymentsToAcquireInvestmentInCostMethodInvestments	0	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	34526000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	19069000	USD
CY2019	us-gaap	Payments To Fund Longterm Loans To Related Parties PaymentsToFundLongtermLoansToRelatedParties	0	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	21016000	USD
CY2018	us-gaap	Payments To Fund Longterm Loans To Related Parties PaymentsToFundLongtermLoansToRelatedParties	0	USD
CY2017	us-gaap	Payments To Fund Longterm Loans To Related Parties PaymentsToFundLongtermLoansToRelatedParties	375000000	USD
CY2019	us-gaap	Proceeds From Collection Of Longterm Loans To Related Parties ProceedsFromCollectionOfLongtermLoansToRelatedParties	0	USD
CY2018	us-gaap	Proceeds From Collection Of Longterm Loans To Related Parties ProceedsFromCollectionOfLongtermLoansToRelatedParties	0	USD
CY2017	us-gaap	Proceeds From Collection Of Longterm Loans To Related Parties ProceedsFromCollectionOfLongtermLoansToRelatedParties	375000000	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
CY2017	us-gaap	Payments To Acquire Mortgage Servicing Rights Msr PaymentsToAcquireMortgageServicingRightsMSR	2055000	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
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	379000	USD
CY2019	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	8783225000	USD
CY2018	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	8612671000	USD
CY2017	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	8844768000	USD
CY2019	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	9545964000	USD
CY2018	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	8000725000	USD
CY2017	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	8742295000	USD
CY2019	us-gaap	Proceeds From Partnership Contribution ProceedsFromPartnershipContribution	0	USD
CY2018	us-gaap	Proceeds From Partnership Contribution ProceedsFromPartnershipContribution	241960000	USD
CY2017	us-gaap	Proceeds From Partnership Contribution ProceedsFromPartnershipContribution	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
CY2017	us-gaap	Proceeds From Issuance Of Preferred Limited Partners Units ProceedsFromIssuanceOfPreferredLimitedPartnersUnits	0	USD
CY2019	us-gaap	Repayments Of Related Party Debt RepaymentsOfRelatedPartyDebt	0	USD
CY2018	us-gaap	Repayments Of Related Party Debt RepaymentsOfRelatedPartyDebt	858428000	USD
CY2017	us-gaap	Repayments Of Related Party Debt RepaymentsOfRelatedPartyDebt	1445838000	USD
CY2019	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	0	USD
CY2018	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	372950000	USD
CY2017	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	698919000	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
CY2017	nmrk	Proceeds From Settlement Of Pre Spin Off Related Party Receivables ProceedsFromSettlementOfPreSpinOffRelatedPartyReceivables	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
CY2017	us-gaap	Proceeds From Issuance Initial Public Offering ProceedsFromIssuanceInitialPublicOffering	304290000	USD
CY2019	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	155000000	USD
CY2018	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	537575000	USD
CY2017	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	0	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
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	0	USD
CY2017	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	304290000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-798196000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	338657000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	0	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	101731000	USD
CY2019	us-gaap	Payments Of Distributions To Affiliates PaymentsOfDistributionsToAffiliates	0	USD
CY2018	us-gaap	Payments Of Distributions To Affiliates PaymentsOfDistributionsToAffiliates	0	USD
CY2017	us-gaap	Payments Of Distributions To Affiliates PaymentsOfDistributionsToAffiliates	89146000	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
CY2017	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2019	nmrk	Proceeds From Repayments Of Securities Loaned ProceedsFromRepaymentsOfSecuritiesLoaned	36735000	USD
CY2018	nmrk	Proceeds From Repayments Of Securities Loaned ProceedsFromRepaymentsOfSecuritiesLoaned	-57623000	USD
CY2017	nmrk	Proceeds From Repayments Of Securities Loaned ProceedsFromRepaymentsOfSecuritiesLoaned	57623000	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
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	140576000	USD
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	46490000	USD
CY2017	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	71000	USD
CY2019	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	69245000	USD
CY2018	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	41787000	USD
CY2017	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	0	USD
CY2019	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	USD
CY2018	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	6954000	USD
CY2017	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	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
CY2017	us-gaap	Payments Of Merger Related Costs Financing Activities PaymentsOfMergerRelatedCostsFinancingActivities	18940000	USD
CY2019	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	1368000	USD
CY2018	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	1308000	USD
CY2017	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	1485000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-895506000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	34466000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	14032000	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	55820000	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
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	117554000	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
CY2018Q4	nmrk	Economic Interest Ownership Percentage EconomicInterestOwnershipPercentage	0.87
CY2018Q4	us-gaap	Common Unit Issued CommonUnitIssued	1458931	shares
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	173374000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	36959000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	81838000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	21003000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	95089000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	1165000	USD
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	46000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	182180000	USD
CY2019	nmrk	Non Cash Treasury Stock Repurchase NonCashTreasuryStockRepurchase	4732000	USD
CY2018	nmrk	Non Cash Treasury Stock Repurchase NonCashTreasuryStockRepurchase	0	USD
CY2017	nmrk	Non Cash Treasury Stock Repurchase NonCashTreasuryStockRepurchase	0	USD
CY2019Q4	us-gaap	General Partners Contributed Capital GeneralPartnersContributedCapital	0	USD
CY2018Q4	us-gaap	General Partners Contributed Capital GeneralPartnersContributedCapital	0	USD
CY2017Q4	us-gaap	General Partners Contributed Capital GeneralPartnersContributedCapital	368418000	USD
CY2019	us-gaap	Repayments Of Assumed Debt RepaymentsOfAssumedDebt	0	USD
CY2018	us-gaap	Repayments Of Assumed Debt RepaymentsOfAssumedDebt	0	USD
CY2017	us-gaap	Repayments Of Assumed Debt RepaymentsOfAssumedDebt	1387500000	USD
CY2019	nmrk	Accrued Offering Costs AccruedOfferingCosts	0	USD
CY2018	nmrk	Accrued Offering Costs AccruedOfferingCosts	0	USD
CY2017	nmrk	Accrued Offering Costs AccruedOfferingCosts	8870000	USD
CY2019Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	98600000	USD
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
CY2019Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	36800000	USD
CY2018Q4	nmrk	Number Of Units Converted To Common Stock NumberOfUnitsConvertedToCommonStock	14800000	shares
CY2018Q4	nmrk	Ownership Interest Percentage OwnershipInterestPercentage	0.94
CY2019Q1	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
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<div style="line-height:120%;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div><div style="line-height:120%;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-weight:bold;">Use of Estimates:</span></div><div style="line-height:120%;text-indent:48px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">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>
CY2019	us-gaap	Revenues Revenues	2218132000	USD
CY2018	us-gaap	Revenues Revenues	2047579000	USD
CY2017	us-gaap	Revenues Revenues	1596450000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	11800000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	16300000	USD
CY2019	us-gaap	Guarantees Indemnifications And Warranties Policies GuaranteesIndemnificationsAndWarrantiesPolicies	<div style="line-height:120%;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-weight:bold;">Financial Guarantee Liability:</span></div><div style="line-height:120%;text-indent:48px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Newmark recognizes a liability in connection with the guarantee provided to Fannie Mae under the Delegated Underwriting and Servicing Program (“DUS”) and Freddie Mac under the Targeted Affordable Housing Program (“TAH”). The financial guarantee liability requires Newmark to make payments to the guaranteed party based on the borrower’s failure to meet its obligations. The liability is adjusted through provisions charged or reversed through operations. The financial guarantee liability is included in “Other long-term liabilities” on Newmark’s consolidated balance sheets.</span></div>
CY2018Q4	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
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	157256000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	133413000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	177774000	shares
CY2019	us-gaap	Business Combination Pro Forma Information Revenue Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual	18400000	USD
CY2018Q2	nmrk	Number Of Offices Acquired NumberOfOfficesAcquired	2
CY2018Q3	nmrk	Number Of Offices Acquired NumberOfOfficesAcquired	2
CY2018	us-gaap	Business Combination Pro Forma Information Revenue Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual	28500000	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
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	144492000	USD
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.59
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.65
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.08
CY2019	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	12900000	USD
CY2018	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	5100000	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
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	144492000	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
CY2017	nmrk	Allocation Of Income Loss To Limited Partnership Interest Diluted AllocationOfIncomeLossToLimitedPartnershipInterestDiluted	-27275000	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
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	117217000	USD
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
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	133413000	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
CY2017	nmrk	Incremental Common Shares Attributable To Limited Partnership Interests IncrementalCommonSharesAttributableToLimitedPartnershipInterests	4725000	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
CY2017	nmrk	Incremental Common Shares Attributable To Other Instruments IncrementalCommonSharesAttributableToOtherInstruments	237000	shares
CY2019	nmrk	Incremental Common Shares Attributableto Exchange IncrementalCommonSharesAttributabletoExchange	369000	shares
CY2018	nmrk	Incremental Common Shares Attributableto Exchange IncrementalCommonSharesAttributabletoExchange	650000	shares
CY2017	nmrk	Incremental Common Shares Attributableto Exchange IncrementalCommonSharesAttributabletoExchange	23000	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
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	138398000	shares
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.58
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.64
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.85
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
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2019Q4	nmrk	Number Of Authorized Classes Of Common Stock NumberOfAuthorizedClassesOfCommonStock	2	class
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
CY2017Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	21096000	USD
CY2019	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	5288000	USD
CY2018	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	6779000	USD
CY2019	nmrk	Temporary Equity Distribution Of Income TemporaryEquityDistributionOfIncome	5355000	USD
CY2018	nmrk	Temporary Equity Distribution Of Income TemporaryEquityDistributionOfIncome	2843000	USD
CY2019	nmrk	Temporary Equity Redemptions TemporaryEquityRedemptions	927000	USD
CY2018	nmrk	Temporary Equity Redemptions TemporaryEquityRedemptions	1101000	USD
CY2019	us-gaap	Temporary Equity Other Changes TemporaryEquityOtherChanges	-3659000	USD
CY2018	us-gaap	Temporary Equity Stock Issued During Period Value New Issues TemporaryEquityStockIssuedDuringPeriodValueNewIssues	2239000	USD
CY2018Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	26170000	USD
CY2019	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	32600000	USD
CY2018	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	95900000	USD
CY2019	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	12600000	USD
CY2018	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	17900000	USD
CY2019	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	4100000	USD
CY2018	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	3300000	USD
CY2019	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	11300000	USD
CY2018	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-1200000	USD
CY2019Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	36800000	USD
CY2018Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	48900000	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
CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1600000	USD
CY2019	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	8600000	USD
CY2018	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	3000000.0	USD
CY2019	nmrk	Percentage Of Liquidity Requirement Of Outstanding Principal Of Targeted Affordable Housing Loans Serviced PercentageOfLiquidityRequirementOfOutstandingPrincipalOfTargetedAffordableHousingLoansServiced	0.08
CY2019	nmrk	Maximum Period Of Loans Held For Sale Sold MaximumPeriodOfLoansHeldForSaleSold	P45D
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	0	USD
CY2019Q4	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Asset At Fair Value DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue	72926000	USD
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	1800000	USD
CY2019Q4	us-gaap	Security Deposit SecurityDeposit	25000000.0	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
CY2018Q4	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Asset At Fair Value DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue	92528000	USD
CY2018Q4	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Liability At Fair Value DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue	16678000	USD
CY2018Q4	us-gaap	Derivative Asset Notional Amount DerivativeAssetNotionalAmount	1814834000	USD
CY2019Q4	nmrk	Credit Enhancement Receivable CreditEnhancementReceivable	0	USD
CY2019Q4	us-gaap	Security Deposit SecurityDeposit	25000000.0	USD
CY2019Q4	us-gaap	Security Deposit SecurityDeposit	25000000.0	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
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
CY2019	nmrk	Servicing Fees And Other Revenue ServicingFeesAndOtherRevenue	177645000	USD
CY2018	nmrk	Servicing Fees And Other Revenue ServicingFeesAndOtherRevenue	164529000	USD
CY2019	us-gaap	Revenues Revenues	2218132000	USD
CY2018	us-gaap	Revenues Revenues	2047579000	USD
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	4200000	USD
CY2018	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	3200000	USD
CY2018	nmrk	Fair Value Of Expected Net Future Cash Flows From Servicing Recognized At Commitment Net FairValueOfExpectedNetFutureCashFlowsFromServicingRecognizedAtCommitmentNet	103202000	USD
CY2017	nmrk	Fair Value Of Expected Net Future Cash Flows From Servicing Recognized At Commitment Net FairValueOfExpectedNetFutureCashFlowsFromServicingRecognizedAtCommitmentNet	120970000	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
CY2017	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	85030000	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
CY2017	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	206000000	USD
CY2019	nmrk	Fair Value Of Expected Net Future Cash Flows From Servicing Recognized At Commitment Net FairValueOfExpectedNetFutureCashFlowsFromServicingRecognizedAtCommitmentNet	109249000	USD
CY2019	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	104305000	USD
CY2018	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	103365000	USD
CY2017	us-gaap	Contractually Specified Servicing Fees Amount ContractuallySpecifiedServicingFeesAmount	95373000	USD
CY2019	nmrk	Escrow Interest And Placement Fees Amount EscrowInterestAndPlacementFeesAmount	22417000	USD
CY2018	nmrk	Escrow Interest And Placement Fees Amount EscrowInterestAndPlacementFeesAmount	18293000	USD
CY2017	nmrk	Escrow Interest And Placement Fees Amount EscrowInterestAndPlacementFeesAmount	9328000	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
CY2017	us-gaap	Ancillary Fee Income Generated By Servicing Financial Assets Amount AncillaryFeeIncomeGeneratedByServicingFinancialAssetsAmount	5740000	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
CY2017	nmrk	Contractually Specified Servicing Fees Ancillary Fees Escrow Interest And Placement Fees Earned In Exchange For Servicing Financial Assets ContractuallySpecifiedServicingFeesAncillaryFeesEscrowInterestAndPlacementFeesEarnedInExchangeForServicingFinancialAssets	110441000	USD
CY2019Q4	nmrk	Primary Servicing Portfolio PrimaryServicingPortfolio	59900000000	USD
CY2018Q4	nmrk	Primary Servicing Portfolio PrimaryServicingPortfolio	57100000000	USD
CY2019Q4	nmrk	Special Servicing Portfolio SpecialServicingPortfolio	2400000000	USD
CY2018Q4	nmrk	Special Servicing Portfolio SpecialServicingPortfolio	2900000000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	477532000	USD
CY2018	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	40157000	USD
CY2018	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-2368000	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
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
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	P0M21D
CY2018Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	51020000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	15251000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	35769000	USD
CY2018	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P1Y2M12D
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6900000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5600000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	11100000	USD
CY2019	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	1600000	USD
CY2017	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	6300000	USD
CY2017	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	6300000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	5952000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	4943000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	2904000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	2463000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	1909000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	10315000	USD
CY2019Q4	nmrk	Finite Lived Intangible Assets Expected Amortization Expense FiniteLivedIntangibleAssetsExpectedAmortizationExpense	28486000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	164248000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	137229000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	66232000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	58424000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	98016000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	78805000	USD
CY2019	us-gaap	Depreciation Depreciation	22700000	USD
CY2018	us-gaap	Depreciation Depreciation	13700000	USD
CY2017	us-gaap	Depreciation Depreciation	12200000	USD
CY2019	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	5000000.0	USD
CY2018	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	USD
CY2019	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	5900000	USD
CY2018	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	2400000	USD
CY2017	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	1100000	USD
CY2019	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	2000000.0	USD
CY2018	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	900000	USD
CY2017	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	400000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Term Of Contract LesseeOperatingLeaseTermOfContract	P13Y
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	47100000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	44400000	USD
CY2019	us-gaap	Short Term Lease Cost ShortTermLeaseCost	2300000	USD
CY2019	us-gaap	Sublease Income SubleaseIncome	700000	USD
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0724
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y9M18D
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	201700000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	27200000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	227900000	USD
CY2019	us-gaap	Lease Cost LeaseCost	49400000	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	42600000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	36700000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	44709000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	42612000	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
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	35602000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	146463000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	347408000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	92282000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	255126000	USD
CY2019Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	51021000	USD
CY2018Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	30796000	USD
CY2019Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	15251000	USD
CY2018Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	15570000	USD
CY2019Q4	us-gaap	Prepaid Taxes PrepaidTaxes	22483000	USD
CY2018Q4	us-gaap	Prepaid Taxes PrepaidTaxes	9992000	USD
CY2019Q4	us-gaap	Deposit Assets DepositAssets	1703000	USD
CY2018Q4	us-gaap	Deposit Assets DepositAssets	1192000	USD
CY2018Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	3452000	USD
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	407898000	USD
CY2019Q4	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	736000	USD
CY2018Q4	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	189000	USD
CY2019Q4	us-gaap	Other Assets Current OtherAssetsCurrent	91194000	USD
CY2018Q4	us-gaap	Other Assets Current OtherAssetsCurrent	57739000	USD
CY2019Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	182781000	USD
CY2018Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	149938000	USD
CY2019Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	21905000	USD
CY2018Q4	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	61732000	USD
CY2019Q4	us-gaap	Equity Method Investments EquityMethodInvestments	99966000	USD
CY2018Q4	us-gaap	Equity Method Investments EquityMethodInvestments	101275000	USD
CY2019Q4	nmrk	Non Marketable Investments NonMarketableInvestments	94113000	USD
CY2018Q4	nmrk	Non Marketable Investments NonMarketableInvestments	53470000	USD
CY2019Q4	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	9133000	USD
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	369867000	USD
CY2019Q4	us-gaap	Warehouse Agreement Borrowings WarehouseAgreementBorrowings	209648000	USD
CY2018Q4	us-gaap	Warehouse Agreement Borrowings WarehouseAgreementBorrowings	972387000	USD
CY2019Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	70833000	USD
CY2018Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	48942000	USD
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	589294000	USD
CY2018Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	537926000	USD
CY2017Q4	us-gaap	Guaranty Liabilities GuarantyLiabilities	54000	USD
CY2018	nmrk	Guaranty Liabilities Reversal To Provision GuarantyLiabilitiesReversalToProvision	22000	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
CY2018Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	48942000	USD
CY2019	nmrk	Increase Decrease To Financial Guarantee Liability IncreaseDecreaseToFinancialGuaranteeLiability	-17000	USD
CY2018	nmrk	Increase Decrease To Financial Guarantee Liability IncreaseDecreaseToFinancialGuaranteeLiability	-22000	USD
CY2017	nmrk	Increase Decrease To Financial Guarantee Liability IncreaseDecreaseToFinancialGuaranteeLiability	-359000	USD
CY2019	nmrk	Decrease Increase To Credit Enhancement Asset DecreaseIncreaseToCreditEnhancementAsset	0	USD
CY2018	nmrk	Decrease Increase To Credit Enhancement Asset DecreaseIncreaseToCreditEnhancementAsset	10000	USD
CY2017	nmrk	Decrease Increase To Credit Enhancement Asset DecreaseIncreaseToCreditEnhancementAsset	147000	USD
CY2019	nmrk	Increase Decrease To Contingent Liability IncreaseDecreaseToContingentLiability	0	USD
CY2018	nmrk	Increase Decrease To Contingent Liability IncreaseDecreaseToContingentLiability	0	USD
CY2017	nmrk	Increase Decrease To Contingent Liability IncreaseDecreaseToContingentLiability	6000	USD
CY2019	nmrk	Provision For Risk Sharing Obligations ProvisionForRiskSharingObligations	-17000	USD
CY2018	nmrk	Provision For Risk Sharing Obligations ProvisionForRiskSharingObligations	-12000	USD
CY2017	nmrk	Provision For Risk Sharing Obligations ProvisionForRiskSharingObligations	-206000	USD
CY2018Q4	us-gaap	Escrow Deposit EscrowDeposit	1300000000	USD
CY2019Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	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	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	45172000	USD
CY2019Q4	us-gaap	Escrow Deposit EscrowDeposit	925000000.0	USD
CY2018Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	990864000	USD
CY2018Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1132334000	USD
CY2018Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	32551000	USD
CY2018Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	49229000	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 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
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
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	80288000	USD
CY2017Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	6676000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	33911000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues	58617000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	6676000	USD
CY2018Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	92528000	USD
CY2018	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	33911000	USD
CY2017Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	26758000	USD
CY2018	us-gaap	Fair Value Liabilities Measured On Recurring Basis Change In Unrealized Gain Loss FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-17378000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Issues FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues	12615000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	7522000	USD
CY2018Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	49229000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	-17378000	USD
CY2019Q4	us-gaap	Accounts Payable Related Parties Current And Noncurrent AccountsPayableRelatedPartiesCurrentAndNoncurrent	38100000	USD
CY2018Q4	us-gaap	Accounts Receivable Related Parties AccountsReceivableRelatedParties	20500000	USD
CY2018Q4	us-gaap	Accounts Payable Related Parties Current And Noncurrent AccountsPayableRelatedPartiesCurrentAndNoncurrent	13500000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	63359000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	49985000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	10412000	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
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2468000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	464000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1239000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	-3000	USD
CY2019	nmrk	Current Unincorporated Business Tax Expense Benefit CurrentUnincorporatedBusinessTaxExpenseBenefit	1335000	USD
CY2018	nmrk	Current Unincorporated Business Tax Expense Benefit CurrentUnincorporatedBusinessTaxExpenseBenefit	3586000	USD
CY2017	nmrk	Current Unincorporated Business Tax Expense Benefit CurrentUnincorporatedBusinessTaxExpenseBenefit	218000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	13353000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	74100000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	13095000	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
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	56648000	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
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-12606000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-15000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	USD
CY2019	nmrk	Deferred Unincorporated Business Tax Expense Benefit DeferredUnincorporatedBusinessTaxExpenseBenefit	1291000	USD
CY2018	nmrk	Deferred Unincorporated Business Tax Expense Benefit DeferredUnincorporatedBusinessTaxExpenseBenefit	2267000	USD
CY2017	nmrk	Deferred Unincorporated Business Tax Expense Benefit DeferredUnincorporatedBusinessTaxExpenseBenefit	341000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-27852000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	16387000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	44383000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	52436000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	90487000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	57478000	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
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	202600000	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
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-100000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	44971000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	59297000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	70901000	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
CY2017	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	66344000	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
CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-44000	USD
CY2019	nmrk	Income Tax Reconciliation Other Permanent Differences IncomeTaxReconciliationOtherPermanentDifferences	9915000	USD
CY2018	nmrk	Income Tax Reconciliation Other Permanent Differences IncomeTaxReconciliationOtherPermanentDifferences	9948000	USD
CY2017	nmrk	Income Tax Reconciliation Other Permanent Differences IncomeTaxReconciliationOtherPermanentDifferences	-1740000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	12271000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	464000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	52436000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	208000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	2357000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1050000	USD
CY2019	nmrk	Income Tax Reconciliation Unincorporated Business Tax IncomeTaxReconciliationUnincorporatedBusinessTax	2627000	USD
CY2018	nmrk	Income Tax Reconciliation Unincorporated Business Tax IncomeTaxReconciliationUnincorporatedBusinessTax	3119000	USD
CY2017	nmrk	Income Tax Reconciliation Unincorporated Business Tax IncomeTaxReconciliationUnincorporatedBusinessTax	561000	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
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Amortization IncomeTaxReconciliationNondeductibleExpenseAmortization	-1183000	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
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	64658000	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
CY2017	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-15348000	USD
CY2019	nmrk	Income Tax Reconciliation Section453 A Interest IncomeTaxReconciliationSection453AInterest	1640000	USD
CY2018	nmrk	Income Tax Reconciliation Section453 A Interest IncomeTaxReconciliationSection453AInterest	2003000	USD
CY2017	nmrk	Income Tax Reconciliation Section453 A Interest IncomeTaxReconciliationSection453AInterest	4285000	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
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	594000	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
CY2017	nmrk	Income Tax Reconciliation Return To Provision Adjustments IncomeTaxReconciliationReturnToProvisionAdjustments	-376000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1124000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	90487000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	57478000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	54445000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	55847000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	153978000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	114758000	USD
CY2019Q4	nmrk	Deferred Tax Assets Other Deferred And Accrued Expenses DeferredTaxAssetsOtherDeferredAndAccruedExpenses	7655000	USD
CY2018Q4	nmrk	Deferred Tax Assets Other Deferred And Accrued Expenses DeferredTaxAssetsOtherDeferredAndAccruedExpenses	9600000	USD
CY2019Q4	nmrk	Deferred Tax Assets Net Operating Loss And Credit Carryforwards DeferredTaxAssetsNetOperatingLossAndCreditCarryforwards	4216000	USD
CY2018Q4	nmrk	Deferred Tax Assets Net Operating Loss And Credit Carryforwards DeferredTaxAssetsNetOperatingLossAndCreditCarryforwards	1297000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	220294000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	181502000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	3973000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	1297000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	216321000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	180205000	USD
CY2019Q4	nmrk	Deferred Income Tax Liabilities Depreciation And Amortization DeferredIncomeTaxLiabilitiesDepreciationAndAmortization	30156000	USD
CY2018Q4	nmrk	Deferred Income Tax Liabilities Depreciation And Amortization DeferredIncomeTaxLiabilitiesDepreciationAndAmortization	19518000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	3384000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	10749000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	33540000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	30267000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	182781000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	149938000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	4000000.0	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	208000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	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 That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	200000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	USD
CY2019Q4	nmrk	Accounts Payable And Accrued Expenses Current AccountsPayableAndAccruedExpensesCurrent	189172000	USD
CY2018Q4	nmrk	Accounts Payable And Accrued Expenses Current AccountsPayableAndAccruedExpensesCurrent	113713000	USD
CY2019Q4	nmrk	Outside Broker Payable Current OutsideBrokerPayableCurrent	74280000	USD
CY2018Q4	nmrk	Outside Broker Payable Current OutsideBrokerPayableCurrent	59918000	USD
CY2019Q4	us-gaap	Accrued Payroll Taxes Current AccruedPayrollTaxesCurrent	45612000	USD
CY2018Q4	us-gaap	Accrued Payroll Taxes Current AccruedPayrollTaxesCurrent	39620000	USD
CY2019Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	69237000	USD
CY2018Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	77858000	USD
CY2019Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	25661000	USD
CY2018Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	16678000	USD
CY2019Q4	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	13107000	USD
CY2018Q4	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	4452000	USD
CY2019Q4	us-gaap	Accounts Payable And Other Accrued Liabilities Current AccountsPayableAndOtherAccruedLiabilitiesCurrent	417069000	USD
CY2018Q4	us-gaap	Accounts Payable And Other Accrued Liabilities Current AccountsPayableAndOtherAccruedLiabilitiesCurrent	312239000	USD
CY2019Q4	nmrk	Accrued Payroll Taxes Noncurrent AccruedPayrollTaxesNoncurrent	41355000	USD
CY2018Q4	nmrk	Accrued Payroll Taxes Noncurrent AccruedPayrollTaxesNoncurrent	31055000	USD
CY2019Q4	nmrk	Accrued Compensation Noncurrent AccruedCompensationNoncurrent	278399000	USD
CY2018Q4	nmrk	Accrued Compensation Noncurrent AccruedCompensationNoncurrent	35103000	USD
CY2019Q4	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	32065000	USD
CY2018Q4	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	28099000	USD
CY2019Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	25000000	USD
CY2018Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	25000000	USD
CY2019Q4	us-gaap	Guaranty Liabilities GuarantyLiabilities	15000	USD
CY2018Q4	us-gaap	Guaranty Liabilities GuarantyLiabilities	32000	USD
CY2018Q4	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	49334000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	376834000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	168623000	USD
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	379200000	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
CY2017	nmrk	Share Based Compensation Arrangement By Share Based Payment Award Units Redeemed ShareBasedCompensationArrangementByShareBasedPaymentAwardUnitsRedeemed	6452077	shares
CY2019	nmrk	Common Stock Exchangeability Granted Issued Expense CommonStockExchangeabilityGrantedIssuedExpense	35499000	USD
CY2018	nmrk	Common Stock Exchangeability Granted Issued Expense CommonStockExchangeabilityGrantedIssuedExpense	142333000	USD
CY2017	nmrk	Common Stock Exchangeability Granted Issued Expense CommonStockExchangeabilityGrantedIssuedExpense	99435000	USD
CY2019Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions	32300000	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
CY2017	us-gaap	Deferred Compensation Arrangement With Individual Compensation Expense DeferredCompensationArrangementWithIndividualCompensationExpense	300000	USD
CY2019Q4	us-gaap	Deferred Compensation Cashbased Arrangements Liability Current And Noncurrent DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent	1500000	USD
CY2018Q4	us-gaap	Deferred Compensation Cashbased Arrangements Liability Current And Noncurrent DeferredCompensationCashbasedArrangementsLiabilityCurrentAndNoncurrent	1500000	USD
CY2019Q4	us-gaap	Contractual Obligation ContractualObligation	1296460000	USD
CY2019Q4	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	295330000	USD
CY2019Q4	us-gaap	Contractual Obligation Due In Second And Third Year ContractualObligationDueInSecondAndThirdYear	201505000	USD
CY2019Q4	us-gaap	Contractual Obligation Due In Fourth And Fifth Year ContractualObligationDueInFourthAndFifthYear	653162000	USD
CY2019Q4	us-gaap	Contractual Obligation Due After Fifth Year ContractualObligationDueAfterFifthYear	146463000	USD
CY2019Q4	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	1900000	USD
CY2019Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	215300000	USD

Files In Submission

Name	View Source	Status
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0001690680-20-000012-index.html	Edgar Link	pending
0001690680-20-000012.txt	Edgar Link	pending
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$NMRK
NEWMARK GROUP, INC. Stock $nmrk

2018 Q4 Form 10-K Financial Statement

#000169068020000012 Filed on February 28, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NMRK NEWMARK GROUP, INC. Stock $nmrk

2018 Q4 Form 10-K Financial Statement

#000169068020000012 Filed on February 28, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NMRK
NEWMARK GROUP, INC. Stock $nmrk