$MMI
Marcus & Millichap Inc Stock $mmi

$mmi Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000157873224000009 Filed on February 27, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$129.1M	$166.2M	$645.9M
YoY Change	-16.6%	-36.66%	-50.38%
Cost Of Revenue	$76.87M	$105.4M	$406.6M
YoY Change	-19.45%	-41.66%	-52.21%
Gross Profit	$52.24M	$60.82M	$239.3M
YoY Change	-12.01%	-25.58%	-46.92%
Gross Profit Margin	40.46%	36.58%	37.04%
Selling, General & Admin	$68.92M	$74.70M	$285.0M
YoY Change	-4.57%	2.85%	-5.0%
% of Gross Profit	131.93%	122.83%	119.12%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$2.400M	$3.315M	$8.900M
YoY Change	20.0%	2.35%	-33.61%
% of Gross Profit	4.59%	5.45%	3.72%
Operating Expenses	$149.2M	$78.02M	$705.3M
YoY Change	-12.67%	2.83%	-39.42%
Operating Profit	-$20.10M	-$17.20M	-$59.37M
YoY Change	25.16%	-393.68%	-143.21%
Interest Expense	$199.0K	-$216.0K	$888.0K
YoY Change	-7.44%	34.16%	25.42%
% of Operating Profit
Other Income/Expense, Net	$5.568M	$5.733M	$19.86M
YoY Change	15.76%	31.22%	272.1%
Pretax Income	-$14.73M	-$11.68M	-$40.40M
YoY Change	28.49%	-216.09%	-128.45%
Income Tax	-$4.746M	-$1.451M	-$6.366M
% Of Pretax Income
Net Earnings	-$9.987M	-$10.23M	-$34.04M
YoY Change	71.22%	-229.34%	-132.66%
Net Earnings / Revenue	-7.74%	-6.16%	-5.27%
Basic Earnings Per Share	-$0.26		-$0.88
Diluted Earnings Per Share	-$0.26	-$0.27	-$0.88
COMMON SHARES
Basic Shares Outstanding	38.41M shares	38.38M shares	38.66M shares
Diluted Shares Outstanding	38.45M shares		38.66M shares

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$288.9M	$339.6M	$339.6M
YoY Change	-19.88%	-30.59%	-30.59%
Cash & Equivalents	$90.56M	$170.8M	$170.8M
Short-Term Investments	$198.3M	$168.9M	$168.9M
Other Short-Term Assets	$16.01M	$16.20M	$28.59M
YoY Change	216.98%	122.51%	38.13%
Inventory
Prepaid Expenses	$7.546M	$8.813M
Receivables
Other Receivables
Total Short-Term Assets	$343.5M	$393.7M	$393.7M
YoY Change	-15.22%	-25.32%	-25.32%
LONG-TERM ASSETS
Property, Plant & Equipment	$27.83M	$27.45M	$117.5M
YoY Change	-1.39%	-0.7%	1.66%
Goodwill	$37.93M	$38.05M
YoY Change	-0.01%	0.35%
Intangibles
YoY Change
Long-Term Investments	$74.14M	$78.30M	$78.30M
YoY Change	-7.84%	0.19%	0.19%
Other Assets	$16.12M	$14.97M	$237.7M
YoY Change	-6.81%	-5.59%	4.66%
Total Long-Term Assets	$483.1M	$484.7M	$484.7M
YoY Change	-4.39%	1.71%	1.71%
TOTAL ASSETS
Total Short-Term Assets	$343.5M	$393.7M	$393.7M
Total Long-Term Assets	$483.1M	$484.7M	$484.7M
Total Assets	$826.7M	$878.4M	$878.4M
YoY Change	-9.21%	-12.48%	-12.48%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$9.359M	$8.126M	$8.126M
YoY Change	-24.48%	-29.03%	-29.03%
Accrued Expenses	$24.80M	$37.46M	$37.46M
YoY Change	5.58%	-32.28%	-32.28%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$92.59M	$105.3M	$105.3M
YoY Change	-10.03%	-30.75%	-30.75%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$7.265M	$10.69M	$127.9M
YoY Change	-11.71%	24.1%	-7.47%
Total Long-Term Liabilities	$7.265M	$10.69M	$127.9M
YoY Change	-11.71%	24.1%	-7.47%
TOTAL LIABILITIES
Total Short-Term Liabilities	$92.59M	$105.3M	$105.3M
Total Long-Term Liabilities	$7.265M	$10.69M	$127.9M
Total Liabilities	$201.1M	$233.1M	$233.1M
YoY Change	-11.93%	-19.66%	-19.66%
SHAREHOLDERS EQUITY
Retained Earnings	$471.7M	$492.3M
YoY Change	-14.51%	-15.93%
Common Stock	$155.2M	$153.7M
YoY Change	16.74%	16.88%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$625.6M	$645.3M	$645.3M
YoY Change
Total Liabilities & Shareholders Equity	$826.7M	$878.4M	$878.4M
YoY Change	-9.21%	-12.48%	-12.48%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	-$9.987M	-$10.23M	-$34.04M
YoY Change	71.22%	-229.34%	-132.66%
Depreciation, Depletion And Amortization	$2.400M	$3.315M	$8.900M
YoY Change	20.0%	2.35%	-33.61%
Cash From Operating Activities	-$51.02M	$14.68M	-$72.43M
YoY Change	-49.59%	-42.2%	-631.44%
INVESTING ACTIVITIES
Capital Expenditures	$2.639M	$1.681M	$9.370M
YoY Change	-7.82%	-45.81%	-19.68%
Acquisitions			$0.00
YoY Change			-100.0%
Other Investing Activities	-$18.96M	-$52.19M	$84.24M
YoY Change	-115.77%	166.49%	-299.1%
Cash From Investing Activities	-$21.60M	-$53.87M	$74.87M
YoY Change	-118.41%	137.46%	-238.71%
FINANCING ACTIVITIES
Cash Dividend Paid	$592.0K		$20.10M
YoY Change	34.24%		-66.72%
Common Stock Issuance & Retirement, Net			$39.44M
YoY Change			35.76%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$7.500M	-14.36M	-$67.68M
YoY Change	-68.77%	-61.99%	-35.88%
NET CHANGE
Cash From Operating Activities	-$51.02M	14.68M	-$72.43M
Cash From Investing Activities	-$21.60M	-53.87M	$74.87M
Cash From Financing Activities	-$7.500M	-14.36M	-$67.68M
Net Change In Cash	-$80.20M	-53.54M	-$65.12M
YoY Change	922.01%	52.71%	-55.48%
FREE CASH FLOW
Cash From Operating Activities	-$51.02M	$14.68M	-$72.43M
Capital Expenditures	$2.639M	$1.681M	$9.370M
Free Cash Flow	-$53.66M	$13.00M	-$81.80M
YoY Change	-48.44%	-41.7%	-4267.09%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023	us-gaap	Interest Expense InterestExpense	888000	usd
CY2022Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	9411000	usd
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0001578732
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-12-31
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity File Number EntityFileNumber	001-36155
CY2023	dei	Entity Registrant Name EntityRegistrantName	MARCUS & MILLICHAP, INC.
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	35-2478370
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	23975 Park Sorrento, Suite 400
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Calabasas
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	91302
CY2023	dei	City Area Code CityAreaCode	818
CY2023	dei	Local Phone Number LocalPhoneNumber	212-2250
CY2023	dei	Security12b Title Security12bTitle	Common Stock, par value $0.0001 per share
CY2023	dei	Trading Symbol TradingSymbol	MMI
CY2023	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	false
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Public Float EntityPublicFloat	728000000	usd
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	38412484	shares
CY2023Q4	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2023Q4	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2023Q4	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2023	dei	Auditor Firm AuditorFirmId	42
CY2023	dei	Auditor Name AuditorName	Ernst & Young LLP
CY2023	dei	Auditor Location AuditorLocation	Los Angeles, California
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	170753000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	235873000	usd
CY2023Q4	mmi	Commissions Receivable Net Current CommissionsReceivableNetCurrent	16171000	usd
CY2022Q4	mmi	Commissions Receivable Net Current CommissionsReceivableNetCurrent	8453000	usd
CY2023Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	8813000	usd
CY2023Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	9299000	usd
CY2022Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	8682000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Current DebtSecuritiesAvailableForSaleAmortizedCostCurrent	169018000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Current DebtSecuritiesAvailableForSaleAmortizedCostCurrent	254682000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Current DebtSecuritiesAvailableForSaleAllowanceForCreditLossCurrent	0	usd
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CY2022Q4	mmi	Advances And Loans Net Current AdvancesAndLoansNetCurrent	4005000	usd
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CY2022Q4	us-gaap	Assets Current AssetsCurrent	527140000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	27450000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	27644000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	90058000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	87945000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Noncurrent DebtSecuritiesAvailableForSaleAmortizedCostNoncurrent	69538000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Noncurrent DebtSecuritiesAvailableForSaleAmortizedCostNoncurrent	72819000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Noncurrent DebtSecuritiesAvailableForSaleAllowanceForCreditLossNoncurrent	0	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Noncurrent DebtSecuritiesAvailableForSaleAllowanceForCreditLossNoncurrent	0	usd
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CY2022Q4	us-gaap	Available For Sale Securities Debt Securities Noncurrent AvailableForSaleSecuritiesDebtSecuritiesNoncurrent	68595000	usd
CY2023Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	10838000	usd
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CY2022Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	55696000	usd
CY2023Q4	mmi	Advances And Loans Net Non Current AdvancesAndLoansNetNonCurrent	175827000	usd
CY2022Q4	mmi	Advances And Loans Net Non Current AdvancesAndLoansNetNonCurrent	169955000	usd
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CY2023Q4	us-gaap	Assets Assets	878411000	usd
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CY2022Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	11450000	usd
CY2023Q4	mmi	Deferred Compensation And Commissions Current DeferredCompensationAndCommissionsCurrent	55769000	usd
CY2022Q4	mmi	Deferred Compensation And Commissions Current DeferredCompensationAndCommissionsCurrent	75321000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	18336000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	16984000	usd
CY2023Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	19119000	usd
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	38327000	usd
CY2023Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	3919000	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	9933000	usd
CY2023Q4	us-gaap	Liabilities Current LiabilitiesCurrent	105269000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	152015000	usd
CY2023Q4	mmi	Deferred Compensation And Commissions Non Current DeferredCompensationAndCommissionsNonCurrent	47771000	usd
CY2022Q4	mmi	Deferred Compensation And Commissions Non Current DeferredCompensationAndCommissionsNonCurrent	64461000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	69407000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	65109000	usd
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CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	8614000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	233137000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	290199000	usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	usd
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2023Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
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CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
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CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
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CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	585581000	usd
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CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1003708000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	645927000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1301710000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1296440000	usd
CY2023	mmi	Services Cost ServicesCost	406645000	usd
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CY2023	us-gaap	Depreciation And Amortization DepreciationAndAmortization	13627000	usd
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CY2022	us-gaap	Operating Expenses OperatingExpenses	1164309000	usd
CY2021	us-gaap	Operating Expenses OperatingExpenses	1107084000	usd
CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	-59368000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	137401000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	189356000	usd
CY2023	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	19855000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	5336000	usd
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CY2022	us-gaap	Interest Expense InterestExpense	708000	usd
CY2021	us-gaap	Interest Expense InterestExpense	580000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	193303000	usd
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.88
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CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.59
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	38659000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39893000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39888000	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	38659000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40186000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40187000	shares
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-34035000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	104225000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	142470000	usd
CY2023	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	2300000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-4565000	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-1554000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-142000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	70000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-72000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	813000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-1559000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-505000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2442000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-4635000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1482000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	usd
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	usd
CY2023	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	usd
CY2023	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	407000	usd
CY2022	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	108000	usd
CY2021	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-182000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2849000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4527000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1664000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-31186000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	99698000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	140806000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	546836000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	10361000	usd
CY2021	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	653000	usd
CY2021	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	3352000	usd
CY2021	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	1000000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	696304000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	99698000	usd
CY2022	us-gaap	Dividends Common Stock DividendsCommonStock	62572000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	17312000	usd
CY2022	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	709000	usd
CY2022	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	9741000	usd
CY2022	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	1417000	usd
CY2022	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	29618000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	713509000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-31186000	usd
CY2023	us-gaap	Dividends Common Stock DividendsCommonStock	20372000	usd
CY2023	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	24146000	usd
CY2023	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	661000	usd
CY2023	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	4441000	usd
CY2023	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	1833000	usd
CY2023	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	38876000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	645274000	usd
CY2023	us-gaap	Profit Loss ProfitLoss	-34035000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	104225000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	142470000	usd
CY2023	us-gaap	Depreciation And Amortization DepreciationAndAmortization	13627000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	13406000	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	11721000	usd
CY2023	mmi	Noncash Lease Expense NoncashLeaseExpense	26348000	usd
CY2022	mmi	Noncash Lease Expense NoncashLeaseExpense	23112000	usd
CY2021	mmi	Noncash Lease Expense NoncashLeaseExpense	23729000	usd
CY2023	mmi	Credit Loss Expense Reversal CreditLossExpenseReversal	-128000	usd
CY2022	mmi	Credit Loss Expense Reversal CreditLossExpenseReversal	-51000	usd
CY2021	mmi	Credit Loss Expense Reversal CreditLossExpenseReversal	166000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	24146000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	17312000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	10361000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-6429000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-6073000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-11845000	usd
CY2023	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	37000	usd
CY2022	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-534000	usd
CY2021	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-3824000	usd
CY2023	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-190000	usd
CY2022	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	86000	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	219000	usd
CY2023	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	341000	usd
CY2022	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	973000	usd
CY2021	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-641000	usd
CY2023	mmi	Increase Decrease In Commissions Receivable IncreaseDecreaseInCommissionsReceivable	7590000	usd
CY2022	mmi	Increase Decrease In Commissions Receivable IncreaseDecreaseInCommissionsReceivable	-8445000	usd
CY2021	mmi	Increase Decrease In Commissions Receivable IncreaseDecreaseInCommissionsReceivable	10832000	usd
CY2023	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	-599000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	-3802000	usd
CY2021	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	3066000	usd
CY2023	mmi	Increase Decrease In Advances And Loans IncreaseDecreaseInAdvancesAndLoans	5177000	usd
CY2022	mmi	Increase Decrease In Advances And Loans IncreaseDecreaseInAdvancesAndLoans	54818000	usd
CY2021	mmi	Increase Decrease In Advances And Loans IncreaseDecreaseInAdvancesAndLoans	12382000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	7208000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	9830000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	3046000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-2960000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-4071000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	9779000	usd
CY2023	mmi	Increase Decrease In Income Taxes Receivable Payable IncreaseDecreaseInIncomeTaxesReceivablePayable	616000	usd
CY2022	mmi	Increase Decrease In Income Taxes Receivable Payable IncreaseDecreaseInIncomeTaxesReceivablePayable	26535000	usd
CY2021	mmi	Increase Decrease In Income Taxes Receivable Payable IncreaseDecreaseInIncomeTaxesReceivablePayable	-14128000	usd
CY2023	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-19182000	usd
CY2022	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-11491000	usd
CY2021	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	29073000	usd
CY2023	mmi	Deferred Compensation And Commissions Increase Decrease DeferredCompensationAndCommissionsIncreaseDecrease	-35846000	usd
CY2022	mmi	Deferred Compensation And Commissions Increase Decrease DeferredCompensationAndCommissionsIncreaseDecrease	-24631000	usd
CY2021	mmi	Deferred Compensation And Commissions Increase Decrease DeferredCompensationAndCommissionsIncreaseDecrease	75047000	usd
CY2023	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-18364000	usd
CY2022	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-21176000	usd
CY2021	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-21276000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	573000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	2528000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-2370000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-72430000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	13629000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	255903000	usd
CY2023	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
CY2022	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	12500000	usd
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-229000	usd
CY2023	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	302283000	usd
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	380799000	usd
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	378106000	usd
CY2023	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	391612000	usd
CY2022	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	350993000	usd
CY2021	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	285628000	usd
CY2023	mmi	Payments To Acquire Convertible Notes PaymentsToAcquireConvertibleNotes	5000000	usd
CY2022	mmi	Payments To Acquire Convertible Notes PaymentsToAcquireConvertibleNotes	0	usd
CY2021	mmi	Payments To Acquire Convertible Notes PaymentsToAcquireConvertibleNotes	0	usd
CY2023	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	usd
CY2022	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	usd
CY2021	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	9500000	usd
CY2023	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	126000	usd
CY2022	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	74000	usd
CY2021	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	40000	usd
CY2023	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	34000	usd
CY2022	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	71000	usd
CY2021	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	290000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9370000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	11666000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	6857000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	74867000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-53975000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-108356000	usd
CY2023	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	4441000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	9741000	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	3352000	usd
CY2023	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	661000	usd
CY2022	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	709000	usd
CY2021	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	653000	usd
CY2023	us-gaap	Payments Of Dividends PaymentsOfDividends	20103000	usd
CY2022	us-gaap	Payments Of Dividends PaymentsOfDividends	60358000	usd
CY2021	us-gaap	Payments Of Dividends PaymentsOfDividends	0	usd
CY2023	mmi	Payments On Stock Appreciation Rights PaymentsOnStockAppreciationRights	1945000	usd
CY2022	mmi	Payments On Stock Appreciation Rights PaymentsOnStockAppreciationRights	1761000	usd
CY2021	mmi	Payments On Stock Appreciation Rights PaymentsOnStockAppreciationRights	1481000	usd
CY2023	mmi	Principal Payments On Deferred And Contingent Consideration PrincipalPaymentsOnDeferredAndContingentConsideration	2410000	usd
CY2022	mmi	Principal Payments On Deferred And Contingent Consideration PrincipalPaymentsOnDeferredAndContingentConsideration	5351000	usd
CY2021	mmi	Principal Payments On Deferred And Contingent Consideration PrincipalPaymentsOnDeferredAndContingentConsideration	1739000	usd
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	39441000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	29053000	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-67679000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-105555000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-5919000	usd
CY2023	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	122000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-366000	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-2640000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-65120000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-146267000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	138988000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	235873000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	382140000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	243152000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	170753000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	235873000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	382140000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	478000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	614000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	749000	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	674000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	69847000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	48563000	usd
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	22276000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	21770000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	23662000	usd
CY2023	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	257000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	684000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	406000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	28306000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	27027000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	19981000	usd
CY2023	mmi	Issuance Of Stock For The Settlement Of Deferred Consideration IssuanceOfStockForTheSettlementOfDeferredConsideration	1833000	usd
CY2022	mmi	Issuance Of Stock For The Settlement Of Deferred Consideration IssuanceOfStockForTheSettlementOfDeferredConsideration	1417000	usd
CY2021	mmi	Issuance Of Stock For The Settlement Of Deferred Consideration IssuanceOfStockForTheSettlementOfDeferredConsideration	1000000	usd
CY2023	mmi	Dividends Payable Non Cash Investing And Financing Activity DividendsPayableNonCashInvestingAndFinancingActivity	923000	usd
CY2022	mmi	Dividends Payable Non Cash Investing And Financing Activity DividendsPayableNonCashInvestingAndFinancingActivity	2215000	usd
CY2021	mmi	Dividends Payable Non Cash Investing And Financing Activity DividendsPayableNonCashInvestingAndFinancingActivity	0	usd
CY2023	mmi	Number Of Offices NumberOfOffices	80	office
CY2023	mmi	Percentage Of Common Stock Distributed PercentageOfCommonStockDistributed	0.800
CY2023	us-gaap	Guarantee Obligations Liquidation Proceeds Percentage GuaranteeObligationsLiquidationProceedsPercentage	0.167
CY2023	mmi	Deferred Term For Payment Of Additional Commissions DeferredTermForPaymentOfAdditionalCommissions	P3Y
CY2023	us-gaap	Advertising Expense AdvertisingExpense	1892000	usd
CY2022	us-gaap	Advertising Expense AdvertisingExpense	1653000	usd
CY2021	us-gaap	Advertising Expense AdvertisingExpense	830000	usd
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates </span></div>The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the related disclosures at the date of the consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates.
CY2023	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="margin-top:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Concentrations of Credit Risk </span></div><div style="margin-top:6pt;text-indent:27pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Financial instruments that potentially subject the Company to a concentration of credit risk principally consist of cash, cash equivalents, and restricted cash, investments in marketable debt securities, available-for-sale, investments in strategic alliance partners (included in other assets), security deposits (included under other assets, non-current), and commissions receivable, net. Cash, cash equivalents, and restricted cash are placed with high-credit quality financial institutions and invested in high-credit quality money market funds and commercial paper. Concentrations and ratings of investments in marketable debt securities, available-for-sale are limited by the approved investment policy. </span></div><div style="margin-top:12pt;text-indent:27pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">To reduce its credit risk, the Company monitors the credit standing of the financial institutions money market funds that represent amounts recorded as cash, cash equivalents, and restricted cash. The Company historically has not experienced any significant losses related to cash, cash equivalents, and restricted cash. </span></div><div style="margin-top:12pt;text-indent:27pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company has entered into a Strategic Alliance with MTRCC pursuant to which the Company has agreed to provide loan opportunities that may be funded through MTRCC’s Delegated Underwriting and Servicing Agreement (“DUS Agreement”) with Fannie Mae that requires MTRCC to guarantee a portion of each loan funded. On a loan-by-loan basis, the Company, at its option, can indemnify a portion of MTRCC’s guarantee obligation of loan opportunities presented to and closed by MTRCC though the DUS Agreement. The Company manages and limits the concentration of </span></div><div style="margin-top:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">risk related to the guarantees assumed by monitoring the underlying property type, geographic location, credit of the borrowers, underlying debt service coverage, and loan to value ratios.</span></div><div style="margin-top:12pt;text-indent:27pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company derives its revenue from a broad range of real estate investors, owners, and users in the United States and Canada, none of which individually represents a significant concentration of credit risk. The Company maintains allowances, as needed, for estimated credit losses based on management’s assessment of the likelihood of collection. For the years ended December 31, 2023, 2022, and 2021, no transaction represented 10% or more of total revenue. Further, while one or more transactions may represent 10% or more of commissions receivable at any reporting date, amounts due are typically collected within 10 days of settlement and, therefore, do not expose the Company to significant credit risk. </span></div><div style="margin-top:12pt;text-indent:27pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">During the year ended December 31, 2023, the Company’s Canadian operations represented approximately 4% of total revenue. During each of the years ended December 31, 2022 and 2021, the Company’s Canadian operations represented 2% of total revenue. </span></div>During each of the years ended December 31, 2023, 2022, and 2021, no office represented 10% or more of total revenue.
CY2023	us-gaap	Number Of Reporting Units NumberOfReportingUnits	1	reportingunit
CY2023	us-gaap	Number Of Reporting Units NumberOfReportingUnits	1	reportingunit
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	48498000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	41426000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	27450000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	27644000	usd
CY2023	us-gaap	Depreciation Depreciation	8900000	usd
CY2022	us-gaap	Depreciation Depreciation	7500000	usd
CY2021	us-gaap	Depreciation Depreciation	7300000	usd
CY2023	mmi	Fully Depreciated Computer Software Hardware And Furniture Fixtures And Equipment Write Off FullyDepreciatedComputerSoftwareHardwareAndFurnitureFixturesAndEquipmentWriteOff	2000000	usd
CY2022	mmi	Fully Depreciated Computer Software Hardware And Furniture Fixtures And Equipment Write Off FullyDepreciatedComputerSoftwareHardwareAndFurnitureFixturesAndEquipmentWriteOff	1200000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	30269000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	26038000	usd
CY2023	us-gaap	Variable Lease Cost VariableLeaseCost	5283000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	5586000	usd
CY2023	us-gaap	Sublease Income SubleaseIncome	976000	usd
CY2022	us-gaap	Sublease Income SubleaseIncome	896000	usd
CY2023	us-gaap	Lease Cost LeaseCost	34576000	usd
CY2022	us-gaap	Lease Cost LeaseCost	30728000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	21795000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	21085000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	17156000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	11971000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	8740000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	19352000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	100099000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	12356000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	87743000	usd
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y4M24D
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y11M19D
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.047
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.039
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	56934000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	75000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	57509000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	2560000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	114443000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	2635000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	209028000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	3501000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	79003000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	2007000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	288031000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	5508000	usd
CY2023	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	usd
CY2022	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	113000	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	221000	usd
CY2023	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	190000	usd
CY2022	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	27000	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	2000	usd
CY2023	mmi	Available For Sale Securities Weighted Average Maturity AvailableForSaleSecuritiesWeightedAverageMaturity	P1Y10M24D
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	176	security
CY2023Q4	mmi	Available For Sale Securities Continuous Unrealized Loss Positions Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionsAccumulatedLoss	2600000	usd
CY2023Q4	mmi	Percentage Of Amortized Cost PercentageOfAmortizedCost	0.01
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	169018000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	168881000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	254683000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	253434000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	48241000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	47200000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	56507000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	54169000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	12950000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	12279000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	13435000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	11850000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	8347000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	7980000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	2876000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	2576000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	238556000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	236340000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	327501000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	322029000	usd
CY2023	mmi	Available For Sale Securities Weighted Average Maturity AvailableForSaleSecuritiesWeightedAverageMaturity	P1Y10M24D
CY2023Q1	mmi	Available For Sale Securities Weighted Average Maturity AvailableForSaleSecuritiesWeightedAverageMaturity	P1Y1M6D
CY2023	us-gaap	Number Of Reporting Units NumberOfReportingUnits	1	reportingunit
CY2023Q4	us-gaap	Goodwill Gross GoodwillGross	38046000	usd
CY2023Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	0	usd
CY2023Q4	us-gaap	Goodwill Goodwill	38046000	usd
CY2022Q4	us-gaap	Goodwill Gross GoodwillGross	37914000	usd
CY2022Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	0	usd
CY2022Q4	us-gaap	Goodwill Goodwill	37914000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	31022000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	17885000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	13137000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	32287000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	14505000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	17782000	usd
CY2023Q4	mmi	Intangible Assets Gross Including Goodwill IntangibleAssetsGrossIncludingGoodwill	69068000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	17885000	usd
CY2023Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	51183000	usd
CY2022Q4	mmi	Intangible Assets Gross Including Goodwill IntangibleAssetsGrossIncludingGoodwill	70201000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	14505000	usd
CY2022Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	55696000	usd
CY2023	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P3Y9M18D
CY2022Q1	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P4Y6M
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4700000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4700000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3800000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	37914000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	34071000	usd
CY2023	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	usd
CY2022	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	4030000	usd
CY2023	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	132000	usd
CY2022	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-187000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	38046000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	37914000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	4035000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	3880000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	2156000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	1856000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	1210000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	0	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	13137000	usd
CY2023	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	usd
CY2022	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	usd
CY2023Q4	mmi	Advances And Loans And Commissions Receivable Allowance For Credit Loss AdvancesAndLoansAndCommissionsReceivableAllowanceForCreditLoss	680000	usd
CY2022Q4	mmi	Advances And Loans And Commissions Receivable Allowance For Credit Loss AdvancesAndLoansAndCommissionsReceivableAllowanceForCreditLoss	791000	usd
CY2023Q4	us-gaap	Other Assets Current OtherAssetsCurrent	16203000	usd
CY2022Q4	us-gaap	Other Assets Current OtherAssetsCurrent	7282000	usd
CY2023Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	14972000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	15859000	usd
CY2023	mmi	Treasury Note Rate Term TreasuryNoteRateTerm	P1Y
CY2023Q4	mmi	Stock Appreciation Rights Liability Current StockAppreciationRightsLiabilityCurrent	2480000	usd
CY2022Q4	mmi	Stock Appreciation Rights Liability Current StockAppreciationRightsLiabilityCurrent	2323000	usd
CY2023Q4	mmi	Stock Appreciation Rights Liability Noncurrent StockAppreciationRightsLiabilityNoncurrent	11418000	usd
CY2022Q4	mmi	Stock Appreciation Rights Liability Noncurrent StockAppreciationRightsLiabilityNoncurrent	13137000	usd
CY2023Q4	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	52689000	usd
CY2022Q4	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	72247000	usd
CY2023Q4	mmi	Accrued Sales Commission Non Current AccruedSalesCommissionNonCurrent	28198000	usd
CY2022Q4	mmi	Accrued Sales Commission Non Current AccruedSalesCommissionNonCurrent	45156000	usd
CY2023Q4	us-gaap	Deferred Compensation Cash Based Arrangements Liability Current DeferredCompensationCashBasedArrangementsLiabilityCurrent	201000	usd
CY2022Q4	us-gaap	Deferred Compensation Cash Based Arrangements Liability Current DeferredCompensationCashBasedArrangementsLiabilityCurrent	493000	usd
CY2023Q4	us-gaap	Deferred Compensation Cashbased Arrangements Liability Classified Noncurrent DeferredCompensationCashbasedArrangementsLiabilityClassifiedNoncurrent	8155000	usd
CY2022Q4	us-gaap	Deferred Compensation Cashbased Arrangements Liability Classified Noncurrent DeferredCompensationCashbasedArrangementsLiabilityClassifiedNoncurrent	6168000	usd
CY2023Q4	us-gaap	Other Deferred Compensation Arrangements Liability Current OtherDeferredCompensationArrangementsLiabilityCurrent	399000	usd
CY2022Q4	us-gaap	Other Deferred Compensation Arrangements Liability Current OtherDeferredCompensationArrangementsLiabilityCurrent	258000	usd
CY2023Q4	us-gaap	Other Deferred Compensation Arrangements Liability Classified Noncurrent OtherDeferredCompensationArrangementsLiabilityClassifiedNoncurrent	0	usd
CY2022Q4	us-gaap	Other Deferred Compensation Arrangements Liability Classified Noncurrent OtherDeferredCompensationArrangementsLiabilityClassifiedNoncurrent	0	usd
CY2023Q4	mmi	Deferred Compensation And Commissions Current DeferredCompensationAndCommissionsCurrent	55769000	usd
CY2022Q4	mmi	Deferred Compensation And Commissions Current DeferredCompensationAndCommissionsCurrent	75321000	usd
CY2023Q4	mmi	Deferred Compensation And Commissions Non Current DeferredCompensationAndCommissionsNonCurrent	47771000	usd
CY2022Q4	mmi	Deferred Compensation And Commissions Non Current DeferredCompensationAndCommissionsNonCurrent	64461000	usd
CY2023	mmi	Increase Decrease In Carrying Value Of Assets Held In Rabbi Trust IncreaseDecreaseInCarryingValueOfAssetsHeldInRabbiTrust	1526000	usd
CY2022	mmi	Increase Decrease In Carrying Value Of Assets Held In Rabbi Trust IncreaseDecreaseInCarryingValueOfAssetsHeldInRabbiTrust	-1743000	usd
CY2021	mmi	Increase Decrease In Carrying Value Of Assets Held In Rabbi Trust IncreaseDecreaseInCarryingValueOfAssetsHeldInRabbiTrust	1445000	usd
CY2023	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	1439000	usd
CY2022	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	-1743000	usd
CY2021	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	1104000	usd
CY2023Q4	mmi	Deferred Consideration Liabilities Current DeferredConsiderationLiabilitiesCurrent	1178000	usd
CY2022Q4	mmi	Deferred Consideration Liabilities Current DeferredConsiderationLiabilitiesCurrent	3633000	usd
CY2023Q4	mmi	Deferred Consideration Liabilities Noncurrent DeferredConsiderationLiabilitiesNoncurrent	393000	usd
CY2022Q4	mmi	Deferred Consideration Liabilities Noncurrent DeferredConsiderationLiabilitiesNoncurrent	1486000	usd
CY2023Q4	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	819000	usd
CY2022Q4	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	1726000	usd
CY2023Q4	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	4663000	usd
CY2022Q4	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	5341000	usd
CY2023Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	802000	usd
CY2022Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	612000	usd
CY2023Q4	mmi	Dividends Payable Non Current DividendsPayableNonCurrent	1680000	usd
CY2022Q4	mmi	Dividends Payable Non Current DividendsPayableNonCurrent	1603000	usd
CY2023Q4	mmi	Stock Repurchase Payable Current StockRepurchasePayableCurrent	0	usd
CY2022Q4	mmi	Stock Repurchase Payable Current StockRepurchasePayableCurrent	565000	usd
CY2023Q4	mmi	Stock Repurchase Payable Noncurrent StockRepurchasePayableNoncurrent	0	usd
CY2022Q4	mmi	Stock Repurchase Payable Noncurrent StockRepurchasePayableNoncurrent	0	usd
CY2023Q4	mmi	Loan Guarantee Obligation Current LoanGuaranteeObligationCurrent	725000	usd
CY2022Q4	mmi	Loan Guarantee Obligation Current LoanGuaranteeObligationCurrent	2040000	usd
CY2023Q4	mmi	Loan Guarantee Obligation Noncurrent LoanGuaranteeObligationNoncurrent	3194000	usd
CY2022Q4	mmi	Loan Guarantee Obligation Noncurrent LoanGuaranteeObligationNoncurrent	0	usd
CY2023Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	395000	usd
CY2022Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	1357000	usd
CY2023Q4	us-gaap	Other Accrued Liabilities Noncurrent OtherAccruedLiabilitiesNoncurrent	760000	usd
CY2022Q4	us-gaap	Other Accrued Liabilities Noncurrent OtherAccruedLiabilitiesNoncurrent	184000	usd
CY2023Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	3919000	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	9933000	usd
CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q4	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	0	usd
CY2022Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	70000000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	10690000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	8614000	usd
CY2022	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	usd
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	usd
CY2023Q4	mmi	Business Combination Contingent Deferred Consideration Arrangements Range Of Outcomes Value High BusinessCombinationContingentDeferredConsiderationArrangementsRangeOfOutcomesValueHigh	14700000	usd
CY2022Q4	mmi	Business Combination Contingent Deferred Consideration Arrangements Range Of Outcomes Value High BusinessCombinationContingentDeferredConsiderationArrangementsRangeOfOutcomesValueHigh	21300000	usd
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	38412484	shares
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	38412484	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	39255838	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	39255838	shares
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2023	us-gaap	Dividends Dividends	20400000	usd
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	25000000	shares
CY2023Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2023Q2	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	70000000	usd
CY2023	us-gaap	Treasury Stock Shares Retired TreasuryStockSharesRetired	1260251	shares
CY2023	us-gaap	Treasury Stock Retired Cost Method Amount TreasuryStockRetiredCostMethodAmount	38900000	usd
CY2023	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	30.85
CY2022	us-gaap	Treasury Stock Shares Retired TreasuryStockSharesRetired	864271	shares
CY2022	us-gaap	Treasury Stock Retired Cost Method Amount TreasuryStockRetiredCostMethodAmount	29600000	usd
CY2022	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	34.27
CY2023Q4	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	71500000	usd
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	465480	shares
CY2023	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	138451	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	918379	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	33.73
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	381215	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	39.03
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	277253	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	31.89
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	41405	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	33.47
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	980936	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	36.32
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	1094507	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	45.41
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	306276	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	35.49
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	27706	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	39.11
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	1741461	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	42.14
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	734388	shares
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	35.20
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	465480	shares
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	40.87
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	10624	shares
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	40.96
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	1999745	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	39.90
CY2023Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	64100000	usd
CY2023	mmi	Unrecognized Compensation Expense Is Expected To Be Recognized Over A Weighted Average Period Years UnrecognizedCompensationExpenseIsExpectedToBeRecognizedOverAWeightedAveragePeriodYears	P3Y3M25D
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	24146000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	17312000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10361000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-40401000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	142029000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	193303000	usd
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-220000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	34968000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	48785000	usd
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-5342000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-4973000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-9600000	usd
CY2023	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-5562000	usd
CY2022	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	29995000	usd
CY2021	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	39185000	usd
CY2023	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	277000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	8857000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	13903000	usd
CY2023	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1087000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1100000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-2243000	usd
CY2023	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	-810000	usd
CY2022	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	7757000	usd
CY2021	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	11660000	usd
CY2023	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	0	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	0	usd
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	0	usd
CY2023	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	6000	usd
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	52000	usd
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-12000	usd
CY2023	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	6000	usd
CY2022	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	52000	usd
CY2021	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	-12000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-6366000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	37804000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	50833000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	3201000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	6406000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	12612000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	9655000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	17764000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	21018000	usd
CY2023Q4	mmi	Deferred Tax Assets Operating Lease Rou Assets Net DeferredTaxAssetsOperatingLeaseRouAssetsNet	23359000	usd
CY2022Q4	mmi	Deferred Tax Assets Operating Lease Rou Assets Net DeferredTaxAssetsOperatingLeaseRouAssetsNet	20798000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	7106000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	7273000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	13664000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	3835000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Other Comprehensive Loss DeferredTaxAssetsOtherComprehensiveLoss	580000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other Comprehensive Loss DeferredTaxAssetsOtherComprehensiveLoss	1676000	usd
CY2023Q4	mmi	Deferred Tax Assets Amortizable Intangibles And Other DeferredTaxAssetsAmortizableIntangiblesAndOther	2687000	usd
CY2022Q4	mmi	Deferred Tax Assets Amortizable Intangibles And Other DeferredTaxAssetsAmortizableIntangiblesAndOther	2221000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	80973000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	72882000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	5296000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	4935000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	75677000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	67947000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	4366000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	5715000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	20781000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	18523000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	841000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	1180000	usd
CY2023Q4	mmi	Deferred Tax Liabilities State Taxes DeferredTaxLiabilitiesStateTaxes	1385000	usd
CY2022Q4	mmi	Deferred Tax Liabilities State Taxes DeferredTaxLiabilitiesStateTaxes	472000	usd
CY2023Q4	mmi	Deferred Tax Liabilities Goodwill And Other DeferredTaxLiabilitiesGoodwillAndOther	1374000	usd
CY2022Q4	mmi	Deferred Tax Liabilities Goodwill And Other DeferredTaxLiabilitiesGoodwillAndOther	736000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	28747000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	26626000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	46930000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	41321000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	5300000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	4900000	usd
CY2023	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	361000	usd
CY2022	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	337000	usd
CY2021	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	179000	usd
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-8484000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	29826000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	40594000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2023	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-602000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.015
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	6127000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.043
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	9210000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.048
CY2023	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	1260000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.031
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-2714000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.019
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-555000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.003
CY2023	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	388000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.009
CY2022	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	337000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.002
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	179000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.001
CY2023	mmi	Income Tax Reconciliation Permanent And Other Items IncomeTaxReconciliationPermanentAndOtherItems	1072000	usd
CY2023	mmi	Effective Income Tax Rate On Permanent And Other Items EffectiveIncomeTaxRateOnPermanentAndOtherItems	-0.027
CY2022	mmi	Income Tax Reconciliation Permanent And Other Items IncomeTaxReconciliationPermanentAndOtherItems	4228000	usd
CY2022	mmi	Effective Income Tax Rate On Permanent And Other Items EffectiveIncomeTaxRateOnPermanentAndOtherItems	0.030
CY2021	mmi	Income Tax Reconciliation Permanent And Other Items IncomeTaxReconciliationPermanentAndOtherItems	1405000	usd
CY2021	mmi	Effective Income Tax Rate On Permanent And Other Items EffectiveIncomeTaxRateOnPermanentAndOtherItems	0.007
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-6366000	usd
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.158
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	37804000	usd
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.266
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	50833000	usd
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.263
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	304000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	55000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	304000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	304000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	usd
CY2021	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	56000	usd
CY2023Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	304000	usd
CY2023	us-gaap	Defined Contribution Plan Maximum Annual Contributions Per Employee Percent DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent	1
CY2023	mmi	Defined Contribution Plan Employer Matching Maximum Annual Contribution Amount DefinedContributionPlanEmployerMatchingMaximumAnnualContributionAmount	4000	usd
CY2023	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1100000	usd
CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2000000	usd
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1200000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-34035000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	104225000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	142470000	usd
CY2023	mmi	Change In Value Deferred Consideration Settled In Stock ChangeInValueDeferredConsiderationSettledInStock	-65000	usd
CY2022	mmi	Change In Value Deferred Consideration Settled In Stock ChangeInValueDeferredConsiderationSettledInStock	37000	usd
CY2021	mmi	Change In Value Deferred Consideration Settled In Stock ChangeInValueDeferredConsiderationSettledInStock	-27000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-33970000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	104188000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	142497000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	38674000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	39751000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	39575000	shares
CY2023	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	15000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	12000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	14000	shares
CY2023	us-gaap	Weighted Average Number Of Shares Contingently Issuable WeightedAverageNumberOfSharesContingentlyIssuable	0	shares
CY2022	us-gaap	Weighted Average Number Of Shares Contingently Issuable WeightedAverageNumberOfSharesContingentlyIssuable	154000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Contingently Issuable WeightedAverageNumberOfSharesContingentlyIssuable	327000	shares
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	38659000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39893000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39888000	shares
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.88
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.61
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.57
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	38659000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39893000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39888000	shares
CY2023	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	207000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	206000	shares
CY2023	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	0	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	86000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	93000	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	38659000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40186000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40187000	shares
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.88
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.59
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.55
CY2023	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1593000	shares
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1084000	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	366000	shares
CY2023Q4	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	152600000	usd
CY2023Q4	mmi	Maximum Unpaid Loan Amount For Which Guarantee Obligations Granted MaximumUnpaidLoanAmountForWhichGuaranteeObligationsGranted	915400000	usd
CY2023Q4	mmi	Guarantor Obligations Allowance For Loss Sharing Obligations GuarantorObligationsAllowanceForLossSharingObligations	851000	usd
CY2022Q4	mmi	Guarantor Obligations Allowance For Loss Sharing Obligations GuarantorObligationsAllowanceForLossSharingObligations	275000	usd
CY2023Q4	mmi	Guarantor Obligations Amount Pledged GuarantorObligationsAmountPledged	283000	usd
CY2022Q4	mmi	Guarantor Obligations Amount Pledged GuarantorObligationsAmountPledged	16000	usd
CY2023Q4	us-gaap	Other Commitment OtherCommitment	15900000	usd

Files In Submission

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2024 Q1 Form 10-K Financial Statement

#000157873224000009 Filed on February 27, 2024

Income Statement

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$MMI Marcus & Millichap Inc Stock $mmi

2024 Q1 Form 10-K Financial Statement

#000157873224000009 Filed on February 27, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MMI
Marcus & Millichap Inc Stock $mmi