$MMI
Marcus & Millichap, Inc. Stock $mmi

$mmi Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-Q Financial Statement

#000157873222000003 Filed on November 04, 2022

Income Statement

Concept	2022 Q4	2022 Q3	2021 Q3
Revenue	$262.4M	$323.8M	$332.4M
YoY Change	-46.99%	-2.57%	109.57%
Cost Of Revenue	$180.7M	$217.4M	$219.2M
YoY Change	-45.78%	-0.84%	119.85%
Gross Profit	$81.73M	$106.5M	$113.2M
YoY Change	-49.49%	-5.93%	92.17%
Gross Profit Margin	31.14%	32.88%	34.05%
Selling, General & Admin	$72.63M	$73.00M	$64.67M
YoY Change	-5.69%	12.88%	30.13%
% of Gross Profit	88.87%	68.56%	57.14%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$3.239M	$1.700M	$2.850M
YoY Change	11.11%	-40.35%	9.62%
% of Gross Profit	3.96%	1.6%	2.52%
Operating Expenses	$75.87M	$293.3M	$67.52M
YoY Change	-5.07%	334.35%	29.11%
Operating Profit	$5.857M	$30.55M	$45.67M
YoY Change	-92.85%	-33.1%	591.91%
Interest Expense	-$161.0K	$229.0K	-$144.0K
YoY Change	11.81%	-259.03%	-28.0%
% of Operating Profit	-2.75%	0.75%	-0.32%
Other Income/Expense, Net	$4.369M	$978.0K	$323.0K
YoY Change	144.08%	202.79%	-79.81%
Pretax Income	$10.07M	$31.30M	$45.85M
YoY Change	-87.95%	-31.72%	473.06%
Income Tax	$2.153M	$9.939M	$11.92M
% Of Pretax Income	21.39%	31.75%	26.0%
Net Earnings	$7.912M	$21.36M	$33.92M
YoY Change	-87.24%	-37.03%	465.4%
Net Earnings / Revenue	3.01%	6.6%	10.21%
Basic Earnings Per Share		$0.53	$0.85
Diluted Earnings Per Share	$0.20	$0.53	$843.0K
COMMON SHARES
Basic Shares Outstanding	39.37M shares	39.96M	39.94M shares
Diluted Shares Outstanding		40.30M shares	40.24M shares

Balance Sheet

Concept	2022 Q4	2022 Q3	2021 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$489.3M	$482.6M	$397.9M
YoY Change	-13.55%	21.29%	16.14%
Cash & Equivalents	$235.9M	$270.9M	$281.0M
Short-Term Investments	$253.4M	$211.8M	$116.9M
Other Short-Term Assets	$7.282M	$5.964M	$16.68M
YoY Change	38.18%	-64.26%	20.91%
Inventory
Prepaid Expenses	$9.411M	$8.665M
Receivables
Other Receivables
Total Short-Term Assets	$527.1M	$515.8M	$430.0M
YoY Change	-13.32%	19.95%	15.18%
LONG-TERM ASSETS
Property, Plant & Equipment	$27.64M	$26.82M	$108.1M
YoY Change	19.2%	-75.2%	2.41%
Goodwill	$37.91M	$38.10M	$34.07M
YoY Change	11.28%	11.83%
Intangibles
YoY Change
Long-Term Investments	$78.15M	$98.55M	$141.6M
YoY Change	-37.04%	-30.38%	152.78%
Other Assets	$15.86M	$15.17M	$146.4M
YoY Change	20.64%	-89.64%	17.71%
Total Long-Term Assets	$476.6M	$484.1M	$445.1M
YoY Change	9.04%	8.77%	37.89%
TOTAL ASSETS
Total Short-Term Assets	$527.1M	$515.8M	$430.0M
Total Long-Term Assets	$476.6M	$484.1M	$445.1M
Total Assets	$1.004B	$999.9M	$875.1M
YoY Change	-3.97%	14.26%	25.71%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$11.45M	$10.24M	$20.03M
YoY Change	-52.82%	-48.88%	88.92%
Accrued Expenses	$55.31M	$53.26M	$51.81M
YoY Change	-19.63%	2.79%	83.73%
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	$152.0M	$146.6M	$130.6M
YoY Change	-32.63%	12.32%	71.79%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$8.614M	$10.62M	$112.2M
YoY Change	-24.4%	-90.54%	13.27%
Total Long-Term Liabilities	$8.614M	$10.62M	$112.2M
YoY Change	-24.4%	-90.54%	13.27%
TOTAL LIABILITIES
Total Short-Term Liabilities	$152.0M	$146.6M	$130.6M
Total Long-Term Liabilities	$8.614M	$10.62M	$112.2M
Total Liabilities	$290.2M	$275.9M	$242.8M
YoY Change	-16.82%	13.64%	38.67%
SHAREHOLDERS EQUITY
Retained Earnings	$585.6M	$599.7M
YoY Change	2.1%
Common Stock	$131.5M	$128.2M
YoY Change	7.96%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$713.5M	$724.0M	$632.3M
YoY Change
Total Liabilities & Shareholders Equity	$1.004B	$999.9M	$875.1M
YoY Change	-3.97%	14.26%	25.71%

Cashflow Statement

Concept	2022 Q4	2022 Q3	2021 Q3
OPERATING ACTIVITIES
Net Income	$7.912M	$21.36M	$33.92M
YoY Change	-87.24%	-37.03%	465.4%
Depreciation, Depletion And Amortization	$3.239M	$1.700M	$2.850M
YoY Change	11.11%	-40.35%	9.62%
Cash From Operating Activities	$25.40M	$40.07M	$66.13M
YoY Change	-83.75%	-39.41%	181.39%
INVESTING ACTIVITIES
Capital Expenditures	$3.102M	-$3.542M	-$1.468M
YoY Change	-218.44%	141.28%	22.33%
Acquisitions
YoY Change
Other Investing Activities	-$19.58M	$28.83M	-$12.46M
YoY Change	-60.8%	-331.27%	236.86%
Cash From Investing Activities	-$22.68M	$25.28M	-$13.93M
YoY Change	-56.85%	-281.48%	184.33%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$0.00
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-37.78M	-5.875M	-1.623M
YoY Change	-23421.6%	261.98%	224.6%
NET CHANGE
Cash From Operating Activities	25.40M	40.07M	66.13M
Cash From Investing Activities	-22.68M	25.28M	-13.93M
Cash From Financing Activities	-37.78M	-5.875M	-1.623M
Net Change In Cash	-35.06M	59.47M	50.57M
YoY Change	-133.75%	17.6%	179.4%
FREE CASH FLOW
Cash From Operating Activities	$25.40M	$40.07M	$66.13M
Capital Expenditures	$3.102M	-$3.542M	-$1.468M
Free Cash Flow	$22.30M	$43.61M	$67.60M
YoY Change	-85.97%	-35.49%	173.66%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0001578732
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2022-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-36155
	dei	Entity Registrant Name EntityRegistrantName	MARCUS & MILLICHAP, INC.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	35-2478370
	dei	Entity Address Address Line1 EntityAddressAddressLine1	23975 Park Sorrento, Suite 400
	dei	Entity Address City Or Town EntityAddressCityOrTown	Calabasas
	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	91302
	dei	City Area Code CityAreaCode	818
	dei	Local Phone Number LocalPhoneNumber	212-2250
	dei	Security12b Title Security12bTitle	Common Stock, par value $0.0001 per share
	dei	Trading Symbol TradingSymbol	MMI
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2022Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	39365723	shares
CY2022Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	270864000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	382140000	usd
CY2022Q3	mmi	Commissions Receivable Net Current CommissionsReceivableNetCurrent	11768000	usd
CY2021Q4	mmi	Commissions Receivable Net Current CommissionsReceivableNetCurrent	17230000	usd
CY2022Q3	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	8665000	usd
CY2021Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	13220000	usd
CY2022Q3	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	3253000	usd
CY2021Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	0	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Current DebtSecuritiesAvailableForSaleAmortizedCostCurrent	213042000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Current DebtSecuritiesAvailableForSaleAmortizedCostCurrent	183915000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Current DebtSecuritiesAvailableForSaleAllowanceForCreditLossCurrent	0	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Current DebtSecuritiesAvailableForSaleAllowanceForCreditLossCurrent	0	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	211759000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities Current AvailableForSaleSecuritiesDebtSecuritiesCurrent	183868000	usd
CY2022Q3	mmi	Advances And Loans Net Current AdvancesAndLoansNetCurrent	3484000	usd
CY2021Q4	mmi	Advances And Loans Net Current AdvancesAndLoansNetCurrent	6403000	usd
CY2022Q3	us-gaap	Other Assets Current OtherAssetsCurrent	5964000	usd
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	5270000	usd
CY2022Q3	us-gaap	Assets Current AssetsCurrent	515757000	usd
CY2021Q4	us-gaap	Assets Current AssetsCurrent	608131000	usd
CY2022Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	26823000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	801306000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	23192000	usd
CY2022Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	83972000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	81528000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Noncurrent DebtSecuritiesAvailableForSaleAmortizedCostNoncurrent	94727000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Noncurrent DebtSecuritiesAvailableForSaleAmortizedCostNoncurrent	111858000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Noncurrent DebtSecuritiesAvailableForSaleAllowanceForCreditLossNoncurrent	0	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Noncurrent DebtSecuritiesAvailableForSaleAllowanceForCreditLossNoncurrent	0	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities Noncurrent AvailableForSaleSecuritiesDebtSecuritiesNoncurrent	89329000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities Noncurrent AvailableForSaleSecuritiesDebtSecuritiesNoncurrent	112610000	usd
CY2022Q3	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	9222000	usd
CY2021Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	11508000	usd
CY2022Q3	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	37883000	usd
CY2021Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	33736000	usd
CY2022Q3	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	57092000	usd
CY2021Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	48105000	usd
CY2022Q3	mmi	Advances And Loans Net Non Current AdvancesAndLoansNetNonCurrent	164640000	usd
CY2021Q4	mmi	Advances And Loans Net Non Current AdvancesAndLoansNetNonCurrent	113242000	usd
CY2022Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	15170000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	13146000	usd
CY2022Q3	us-gaap	Assets Assets	999888000	usd
CY2021Q4	us-gaap	Assets Assets	1045198000	usd
CY2022Q3	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	10237000	usd
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	15487000	usd
CY2022Q3	mmi	Deferred Compensation And Commissions Current DeferredCompensationAndCommissionsCurrent	62547000	usd
CY2021Q4	mmi	Deferred Compensation And Commissions Current DeferredCompensationAndCommissionsCurrent	114685000	usd
CY2022Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	0	usd
CY2021Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	17853000	usd
CY2022Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	18683000	usd
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	18973000	usd
CY2022Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	34572000	usd
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	49848000	usd
CY2022Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	20603000	usd
CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	8784000	usd
CY2022Q3	us-gaap	Liabilities Current LiabilitiesCurrent	146642000	usd
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	225630000	usd
CY2022Q3	mmi	Deferred Compensation And Commissions Non Current DeferredCompensationAndCommissionsNonCurrent	55825000	usd
CY2021Q4	mmi	Deferred Compensation And Commissions Non Current DeferredCompensationAndCommissionsNonCurrent	53536000	usd
CY2022Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	62837000	usd
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	58334000	usd
CY2022Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	10623000	usd
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	11394000	usd
CY2022Q3	us-gaap	Liabilities Liabilities	275927000	usd
CY2021Q4	us-gaap	Liabilities Liabilities	348894000	usd
CY2022Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	usd
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies	0	usd
CY2022Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	25000000	shares
CY2022Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	25000000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2022Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2021Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2022Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2022Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2022Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	39797423	shares
CY2022Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	39797423	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	39692373	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	39692373	shares
CY2022Q3	us-gaap	Common Stock Value CommonStockValue	4000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	4000	usd
CY2022Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	128174000	usd
CY2021Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	121844000	usd
CY2022Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	599710000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	573546000	usd
CY2022Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3927000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	910000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	723961000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	696304000	usd
CY2022Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	999888000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1045198000	usd
CY2022Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	323840000	usd
CY2021Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	332383000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1039261000	usd
CY2022Q3	mmi	Services Cost ServicesCost	217360000	usd
CY2021Q3	mmi	Services Cost ServicesCost	219194000	usd
	mmi	Services Cost ServicesCost	670170000	usd
	mmi	Services Cost ServicesCost	506882000	usd
CY2022Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	73004000	usd
CY2021Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	64673000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	227380000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	178147000	usd
CY2022Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	2924000	usd
CY2021Q3	us-gaap	Depreciation And Amortization DepreciationAndAmortization	2850000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	10167000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	8806000	usd
CY2022Q3	us-gaap	Operating Expenses OperatingExpenses	293288000	usd
CY2021Q3	us-gaap	Operating Expenses OperatingExpenses	286717000	usd
	us-gaap	Operating Expenses OperatingExpenses	907717000	usd
	us-gaap	Operating Expenses OperatingExpenses	693835000	usd
CY2022Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	30552000	usd
CY2021Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	45666000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	131544000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	107471000	usd
CY2022Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	978000	usd
CY2021Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	323000	usd
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	967000	usd
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2737000	usd
CY2022Q3	us-gaap	Interest Expense InterestExpense	229000	usd
CY2021Q3	us-gaap	Interest Expense InterestExpense	144000	usd
	us-gaap	Interest Expense InterestExpense	547000	usd
	us-gaap	Interest Expense InterestExpense	436000	usd
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	31301000	usd
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	45845000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	131964000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	109772000	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9939000	usd
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11921000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	35651000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	29304000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	21362000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	33924000	usd
	us-gaap	Net Income Loss NetIncomeLoss	96313000	usd
	us-gaap	Net Income Loss NetIncomeLoss	80468000	usd
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.53
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.85
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.40
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.02
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.53
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.84
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.39
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.00
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40086000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39940000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40038000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39859000	shares
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40302000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40241000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40358000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40148000	shares
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	21362000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	33924000	usd
	us-gaap	Net Income Loss NetIncomeLoss	96313000	usd
	us-gaap	Net Income Loss NetIncomeLoss	80468000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-1541000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-240000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-5456000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-715000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-7000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-23000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	70000	usd
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-26000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-522000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-1888000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-75000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-239000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1534000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-217000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-5526000	usd
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-689000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	usd
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	7577000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	usd
CY2022Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	569000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	192000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	689000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-138000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-965000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-25000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4837000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-827000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	20397000	usd
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	33899000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	91476000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	79641000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	717170000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	20397000	usd
CY2022Q3	us-gaap	Dividends Common Stock DividendsCommonStock	10436000	usd
CY2022Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	4544000	usd
CY2022Q3	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	137000	usd
CY2022Q3	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	7577000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	723961000	usd
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	596853000	usd
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	33899000	usd
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	2703000	usd
CY2021Q3	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	1186000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	632269000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	696304000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	91476000	usd
	us-gaap	Dividends Common Stock DividendsCommonStock	62572000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	12675000	usd
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	414000	usd
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	8176000	usd
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	1417000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	723961000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	546836000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	79641000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	7653000	usd
	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	369000	usd
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	3230000	usd
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	1000000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	632269000	usd
	us-gaap	Profit Loss ProfitLoss	96313000	usd
	us-gaap	Profit Loss ProfitLoss	80468000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	10167000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	8806000	usd
	mmi	Noncash Lease Expense NoncashLeaseExpense	17840000	usd
	mmi	Noncash Lease Expense NoncashLeaseExpense	17773000	usd
	mmi	Credit Loss Expense Reversal CreditLossExpenseReversal	0	usd
	mmi	Credit Loss Expense Reversal CreditLossExpenseReversal	25000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	12675000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	7653000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2256000	usd
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2847000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	-1600000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Unrealized ForeignCurrencyTransactionGainLossUnrealized	298000	usd
	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	87000	usd
	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	78000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	1459000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-361000	usd
	mmi	Increase Decrease In Commissions Receivable IncreaseDecreaseInCommissionsReceivable	-4891000	usd
	mmi	Increase Decrease In Commissions Receivable IncreaseDecreaseInCommissionsReceivable	5297000	usd
	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	-4544000	usd
	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	-925000	usd
	mmi	Increase Decrease In Advances And Loans IncreaseDecreaseInAdvancesAndLoans	49171000	usd
	mmi	Increase Decrease In Advances And Loans IncreaseDecreaseInAdvancesAndLoans	2434000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	4472000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1076000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-4942000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	4020000	usd
	mmi	Increase Decrease In Income Taxes Receivable Payable IncreaseDecreaseInIncomeTaxesReceivablePayable	21106000	usd
	mmi	Increase Decrease In Income Taxes Receivable Payable IncreaseDecreaseInIncomeTaxesReceivablePayable	-1932000	usd
	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-15239000	usd
	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	11223000	usd
	mmi	Deferred Compensation And Commissions Increase Decrease DeferredCompensationAndCommissionsIncreaseDecrease	-45481000	usd
	mmi	Deferred Compensation And Commissions Increase Decrease DeferredCompensationAndCommissionsIncreaseDecrease	-4499000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-14598000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-15889000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-994000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-1175000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-11775000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	99593000	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	12500000	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-229000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	276708000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	291063000	usd
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	266481000	usd
	us-gaap	Proceeds From Sale And Maturity Of Available For Sale Securities ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities	248540000	usd
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	usd
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	9500000	usd
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	71000	usd
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	40000	usd
	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	71000	usd
	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	290000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	8564000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4238000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-31291000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-55782000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	8176000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	3230000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	414000	usd
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	369000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	50161000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	0	usd
	mmi	Payments On Stock Appreciation Rights PaymentsOnStockAppreciationRights	1761000	usd
	mmi	Payments On Stock Appreciation Rights PaymentsOnStockAppreciationRights	1481000	usd
	mmi	Principal Payments On Deferred And Contingent Consideration PrincipalPaymentsOnDeferredAndContingentConsideration	2431000	usd
	mmi	Principal Payments On Deferred And Contingent Consideration PrincipalPaymentsOnDeferredAndContingentConsideration	1739000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	5659000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-67774000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-6081000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-436000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	125000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-111276000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	37855000	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
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	270864000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	281007000	usd
	us-gaap	Interest Paid Net InterestPaidNet	599000	usd
	us-gaap	Interest Paid Net InterestPaidNet	734000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	58572000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	30168000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	892000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	786000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	20799000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	19008000	usd
	mmi	Issuance Of Stock For The Settlement Of Deferred Consideration IssuanceOfStockForTheSettlementOfDeferredConsideration	1417000	usd
	mmi	Issuance Of Stock For The Settlement Of Deferred Consideration IssuanceOfStockForTheSettlementOfDeferredConsideration	1000000	usd
	mmi	Measurement Period Adjustment Of Acquisition Related Contingent Consideration MeasurementPeriodAdjustmentOfAcquisitionRelatedContingentConsideration	0	usd
	mmi	Measurement Period Adjustment Of Acquisition Related Contingent Consideration MeasurementPeriodAdjustmentOfAcquisitionRelatedContingentConsideration	-100000	usd
	us-gaap	Depreciation Depreciation	5400000	usd
CY2021	mmi	Available For Sale Securities Weighted Average Maturity AvailableForSaleSecuritiesWeightedAverageMaturity	P1Y6M
	mmi	Number Of Offices NumberOfOffices	82	office
	mmi	Percentage Of Common Stock Distributed PercentageOfCommonStockDistributed	0.800
	us-gaap	Use Of Estimates UseOfEstimates	Use of Estimates The preparation of condensed 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 condensed consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.
	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:22.5pt"><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 and cash equivalents, investments in marketable debt securities, available-for-sale, security deposits and commissions receivable, net. Cash and cash equivalents are placed with high-credit quality financial institutions and invested in high-</span></div><div style="margin-top:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">credit quality money market funds and commercial paper. Concentrations and ratings of marketable debt securities, available-for-sale are limited by the approved investment policy. </span></div><div style="margin-top:12pt;text-indent:22.5pt"><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 and cash equivalents. The Company historically has not experienced any significant losses related to cash and cash equivalents. </span></div><div style="margin-top:12pt;text-indent:22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">In September 2021, the Company entered into a Strategic Alliance (“Strategic Alliance”) with M&T Realty Capital Corporation (“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 the Federal National Mortgage Association (“Fannie Mae”) and which 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 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:22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company derives its revenues 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 three and nine months ended September 30, 2022 and 2021, no transaction represented 10% or more of total revenues. 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:22.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">During the three and nine months ended September 30, 2022, the Company’s Canadian operations represented 1.5% and 2.0% of total revenues. During both the three and nine months ended September 30, 2021, the Company’s Canadian operations represented approximately 2.2% of total revenues. </span></div>During each of the three and nine months ended September 30, 2022 and 2021, no office represented 10% or more of total revenues.
	mmi	Period Of Settlement For Receivable Balances PeriodOfSettlementForReceivableBalances	P10D
	us-gaap	Guarantee Obligations Liquidation Proceeds Percentage GuaranteeObligationsLiquidationProceedsPercentage	0.167
CY2022Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	40032000	usd
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	35138000	usd
CY2022Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	26823000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	23192000	usd
CY2022Q3	us-gaap	Depreciation Depreciation	1700000	usd
CY2021Q3	us-gaap	Depreciation Depreciation	1800000	usd
	us-gaap	Depreciation Depreciation	5400000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	261357000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	5424000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	25520000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1261000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	286877000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	6685000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	221957000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	503000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	146000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	8000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	222103000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	511000	usd
CY2022Q3	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	0	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	usd
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	68000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	114000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	78000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	10000	usd
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	27000	usd
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	213042000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	211759000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	183915000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	183868000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	78268000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	74918000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	96035000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	96257000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	13554000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	11808000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	11129000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	11601000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	2905000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	2603000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	4694000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	4752000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	307769000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	301088000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	295773000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	296478000	usd
	mmi	Available For Sale Securities Weighted Average Maturity AvailableForSaleSecuritiesWeightedAverageMaturity	P1Y3M18D
	us-gaap	Number Of Reporting Units NumberOfReportingUnits	1	reportingunit
CY2022Q3	us-gaap	Goodwill Gross GoodwillGross	38101000	usd
CY2022Q3	us-gaap	Goodwill Goodwill	38101000	usd
CY2021Q4	us-gaap	Goodwill Gross GoodwillGross	34071000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	34071000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	32444000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	13453000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	18991000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	23974000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	9940000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	14034000	usd
CY2022Q3	mmi	Intangible Assets Gross Including Goodwill IntangibleAssetsGrossIncludingGoodwill	70545000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	13453000	usd
CY2022Q3	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	57092000	usd
CY2021Q4	mmi	Intangible Assets Gross Including Goodwill IntangibleAssetsGrossIncludingGoodwill	58045000	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	9940000	usd
CY2021Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	48105000	usd
	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P4Y8M12D
CY2021	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P4Y4M24D
CY2022Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1200000	usd
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	900000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3500000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3000000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	34071000	usd
CY2020Q4	us-gaap	Goodwill Goodwill	33375000	usd
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	4030000	usd
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	696000	usd
	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2022Q3	us-gaap	Goodwill Goodwill	38101000	usd
CY2021Q3	us-gaap	Goodwill Goodwill	34071000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	1171000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Rolling Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextRollingTwelveMonths	4617000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling Year Two FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearTwo	4101000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling Year Three FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearThree	3881000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling Year Four FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearFour	2156000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	3065000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	18991000	usd
CY2022Q3	mmi	Advances And Loans And Commissions Receivable Allowance For Credit Loss AdvancesAndLoansAndCommissionsReceivableAllowanceForCreditLoss	836000	usd
CY2021Q4	mmi	Advances And Loans And Commissions Receivable Allowance For Credit Loss AdvancesAndLoansAndCommissionsReceivableAllowanceForCreditLoss	789000	usd
CY2022Q3	us-gaap	Other Assets Current OtherAssetsCurrent	5964000	usd
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	5270000	usd
CY2022Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	15170000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	13146000	usd
	mmi	Treasury Note Rate Term TreasuryNoteRateTerm	P1Y
CY2021Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1855000	usd
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1897000	usd
	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	0	usd
	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	421000	usd
	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	1275000	usd
	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	399000	usd
	mmi	Servicing Asset At Amortized Cost Reclassification To Assets Held For Sale ServicingAssetAtAmortizedCostReclassificationToAssetsHeldForSale	280000	usd
	mmi	Servicing Asset At Amortized Cost Reclassification To Assets Held For Sale ServicingAssetAtAmortizedCostReclassificationToAssetsHeldForSale	0	usd
	mmi	Gross Gain Loss On Servicing Asset On Disposals GrossGainLossOnServicingAssetOnDisposals	-300000	usd
	mmi	Gross Gain Loss On Servicing Asset On Disposals GrossGainLossOnServicingAssetOnDisposals	0	usd
CY2022Q3	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	0	usd
CY2021Q3	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1919000	usd
CY2022Q3	mmi	Stock Appreciation Rights Liability Current StockAppreciationRightsLiabilityCurrent	2323000	usd
CY2021Q4	mmi	Stock Appreciation Rights Liability Current StockAppreciationRightsLiabilityCurrent	2241000	usd
CY2022Q3	mmi	Stock Appreciation Rights Liability Noncurrent StockAppreciationRightsLiabilityNoncurrent	13002000	usd
CY2021Q4	mmi	Stock Appreciation Rights Liability Noncurrent StockAppreciationRightsLiabilityNoncurrent	14918000	usd
CY2022Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	70000000	usd
CY2022Q3	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	59507000	usd
CY2021Q4	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	110769000	usd
CY2022Q3	mmi	Accrued Sales Commission Non Current AccruedSalesCommissionNonCurrent	36789000	usd
CY2021Q4	mmi	Accrued Sales Commission Non Current AccruedSalesCommissionNonCurrent	31697000	usd
CY2022Q3	us-gaap	Deferred Compensation Cash Based Arrangements Liability Current DeferredCompensationCashBasedArrangementsLiabilityCurrent	524000	usd
CY2021Q4	us-gaap	Deferred Compensation Cash Based Arrangements Liability Current DeferredCompensationCashBasedArrangementsLiabilityCurrent	1080000	usd
CY2022Q3	us-gaap	Deferred Compensation Cashbased Arrangements Liability Classified Noncurrent DeferredCompensationCashbasedArrangementsLiabilityClassifiedNoncurrent	6034000	usd
CY2021Q4	us-gaap	Deferred Compensation Cashbased Arrangements Liability Classified Noncurrent DeferredCompensationCashbasedArrangementsLiabilityClassifiedNoncurrent	6921000	usd
CY2022Q3	us-gaap	Other Deferred Compensation Arrangements Liability Current OtherDeferredCompensationArrangementsLiabilityCurrent	193000	usd
CY2021Q4	us-gaap	Other Deferred Compensation Arrangements Liability Current OtherDeferredCompensationArrangementsLiabilityCurrent	595000	usd
CY2022Q3	us-gaap	Other Deferred Compensation Arrangements Liability Classified Noncurrent OtherDeferredCompensationArrangementsLiabilityClassifiedNoncurrent	0	usd
CY2021Q4	us-gaap	Other Deferred Compensation Arrangements Liability Classified Noncurrent OtherDeferredCompensationArrangementsLiabilityClassifiedNoncurrent	0	usd
CY2022Q3	mmi	Deferred Compensation And Commissions Current DeferredCompensationAndCommissionsCurrent	62547000	usd
CY2021Q4	mmi	Deferred Compensation And Commissions Current DeferredCompensationAndCommissionsCurrent	114685000	usd
CY2022Q3	mmi	Deferred Compensation And Commissions Non Current DeferredCompensationAndCommissionsNonCurrent	55825000	usd
CY2021Q4	mmi	Deferred Compensation And Commissions Non Current DeferredCompensationAndCommissionsNonCurrent	53536000	usd
CY2022Q3	mmi	Deferred Consideration Liabilities Noncurrent DeferredConsiderationLiabilitiesNoncurrent	1467000	usd
CY2022Q3	mmi	Increase Decrease In Carrying Value Of Assets Held In Rabbi Trust IncreaseDecreaseInCarryingValueOfAssetsHeldInRabbiTrust	-347000	usd
CY2021Q3	mmi	Increase Decrease In Carrying Value Of Assets Held In Rabbi Trust IncreaseDecreaseInCarryingValueOfAssetsHeldInRabbiTrust	-59000	usd
	mmi	Increase Decrease In Carrying Value Of Assets Held In Rabbi Trust IncreaseDecreaseInCarryingValueOfAssetsHeldInRabbiTrust	-2131000	usd
	mmi	Increase Decrease In Carrying Value Of Assets Held In Rabbi Trust IncreaseDecreaseInCarryingValueOfAssetsHeldInRabbiTrust	932000	usd
CY2022Q3	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	-317000	usd
CY2021Q3	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	-43000	usd
	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	-2108000	usd
	us-gaap	Increase Decrease In Deferred Compensation IncreaseDecreaseInDeferredCompensation	720000	usd
CY2022Q3	mmi	Deferred Consideration Liabilities Current DeferredConsiderationLiabilitiesCurrent	4692000	usd
CY2021Q4	mmi	Deferred Consideration Liabilities Current DeferredConsiderationLiabilitiesCurrent	5112000	usd
CY2021Q4	mmi	Deferred Consideration Liabilities Noncurrent DeferredConsiderationLiabilitiesNoncurrent	4689000	usd
CY2022Q3	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	2414000	usd
CY2021Q4	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	2681000	usd
CY2022Q3	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	5610000	usd
CY2021Q4	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	6631000	usd
CY2022Q3	us-gaap	Dividends Payable Current DividendsPayableCurrent	10784000	usd
CY2021Q4	us-gaap	Dividends Payable Current DividendsPayableCurrent	0	usd
CY2022Q3	mmi	Dividends Payable Non Current DividendsPayableNonCurrent	1627000	usd
CY2021Q4	mmi	Dividends Payable Non Current DividendsPayableNonCurrent	0	usd
CY2022Q3	mmi	Stock Repurchase Payable Current StockRepurchasePayableCurrent	1918000	usd
CY2021Q4	mmi	Stock Repurchase Payable Current StockRepurchasePayableCurrent	0	usd
CY2022Q3	mmi	Stock Repurchase Payable Noncurrent StockRepurchasePayableNoncurrent	0	usd
CY2021Q4	mmi	Stock Repurchase Payable Noncurrent StockRepurchasePayableNoncurrent	0	usd
CY2022Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	795000	usd
CY2021Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	991000	usd
CY2022Q3	us-gaap	Other Accrued Liabilities Noncurrent OtherAccruedLiabilitiesNoncurrent	1919000	usd
CY2021Q4	us-gaap	Other Accrued Liabilities Noncurrent OtherAccruedLiabilitiesNoncurrent	74000	usd
CY2022Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	20603000	usd
CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	8784000	usd
CY2022Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	10623000	usd
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	11394000	usd
CY2022Q3	us-gaap	Due From Employees DueFromEmployees	1000	usd
CY2021Q4	us-gaap	Due From Employees DueFromEmployees	40000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	usd
CY2022Q3	mmi	Business Combination Contingent Deferred Consideration Arrangements Range Of Outcomes Value High BusinessCombinationContingentDeferredConsiderationArrangementsRangeOfOutcomesValueHigh	23800000	usd
CY2021Q4	mmi	Business Combination Contingent Deferred Consideration Arrangements Range Of Outcomes Value High BusinessCombinationContingentDeferredConsiderationArrangementsRangeOfOutcomesValueHigh	28600000	usd
	us-gaap	Treasury Stock Shares Retired TreasuryStockSharesRetired	226795	shares
	us-gaap	Treasury Stock Retired Cost Method Amount TreasuryStockRetiredCostMethodAmount	7600000	usd
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	33.41
CY2022Q3	mmi	Stock Repurchase Payable Current StockRepurchasePayableCurrent	1900000	usd
CY2022Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	39797423	shares
CY2022Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	39797423	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	39692373	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	39692373	shares
CY2022Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
	us-gaap	Payments Of Dividends PaymentsOfDividends	50200000	usd
CY2022Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	25000000	shares
CY2022Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2022Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2022Q3	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	62400000	usd
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	3801591	shares
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	36.58
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	1051178	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	45.75
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	288954	shares
	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	36.24
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	24137	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	39.00
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	1719023	shares
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	42.21
CY2022Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	63294000	usd
	mmi	Unrecognized Compensation Expense Is Expected To Be Recognized Over A Weighted Average Period Years UnrecognizedCompensationExpenseIsExpectedToBeRecognizedOverAWeightedAveragePeriodYears	P3Y11M12D
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P3Y11M12D
CY2022Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4544000	usd
CY2021Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2703000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	12675000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7653000	usd
CY2022Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.317
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.270
CY2021Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.260
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.267
CY2022Q3	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	6573000	usd
CY2022Q3	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021Q3	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	9627000	usd
CY2021Q3	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	27712000	usd
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	23052000	usd
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2022Q3	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1707000	usd
CY2022Q3	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.055
CY2021Q3	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2111000	usd
CY2021Q3	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.046
	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	6129000	usd
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.046
	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	5157000	usd
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.047
CY2022Q3	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-54000	usd
CY2022Q3	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.002
CY2021Q3	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-443000	usd
CY2021Q3	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.010
	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-2118000	usd
	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.016
	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-522000	usd
	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.005
CY2022Q3	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	1073000	usd
CY2022Q3	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.034
CY2021Q3	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	55000	usd
CY2021Q3	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.001
	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	992000	usd
	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.008
	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	243000	usd
	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.002
CY2022Q3	mmi	Income Tax Reconciliation Permanent And Other Items IncomeTaxReconciliationPermanentAndOtherItems	640000	usd
CY2022Q3	mmi	Effective Income Tax Rate On Permanent And Other Items EffectiveIncomeTaxRateOnPermanentAndOtherItems	0.020
CY2021Q3	mmi	Income Tax Reconciliation Permanent And Other Items IncomeTaxReconciliationPermanentAndOtherItems	571000	usd
CY2021Q3	mmi	Effective Income Tax Rate On Permanent And Other Items EffectiveIncomeTaxRateOnPermanentAndOtherItems	0.013
	mmi	Income Tax Reconciliation Permanent And Other Items IncomeTaxReconciliationPermanentAndOtherItems	2936000	usd
	mmi	Effective Income Tax Rate On Permanent And Other Items EffectiveIncomeTaxRateOnPermanentAndOtherItems	0.022
	mmi	Income Tax Reconciliation Permanent And Other Items IncomeTaxReconciliationPermanentAndOtherItems	1374000	usd
	mmi	Effective Income Tax Rate On Permanent And Other Items EffectiveIncomeTaxRateOnPermanentAndOtherItems	0.013
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9939000	usd
CY2022Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.317
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11921000	usd
CY2021Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.260
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	35651000	usd
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.270
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	29304000	usd
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.267
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	21362000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	33924000	usd
	us-gaap	Net Income Loss NetIncomeLoss	96313000	usd
	us-gaap	Net Income Loss NetIncomeLoss	80468000	usd
CY2022Q3	mmi	Change In Value Deferred Consideration Settled In Stock ChangeInValueDeferredConsiderationSettledInStock	12000	usd
CY2021Q3	mmi	Change In Value Deferred Consideration Settled In Stock ChangeInValueDeferredConsiderationSettledInStock	2000	usd
	mmi	Change In Value Deferred Consideration Settled In Stock ChangeInValueDeferredConsiderationSettledInStock	50000	usd
	mmi	Change In Value Deferred Consideration Settled In Stock ChangeInValueDeferredConsiderationSettledInStock	-8000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	21350000	usd
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	33922000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	96263000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	80476000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	39983000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	39634000	shares
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	39881000	shares
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	39539000	shares
CY2022Q3	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	12000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	13000	shares
	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	12000	shares
	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	14000	shares
CY2022Q3	us-gaap	Weighted Average Number Of Shares Contingently Issuable WeightedAverageNumberOfSharesContingentlyIssuable	115000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Contingently Issuable WeightedAverageNumberOfSharesContingentlyIssuable	319000	shares
	us-gaap	Weighted Average Number Of Shares Contingently Issuable WeightedAverageNumberOfSharesContingentlyIssuable	169000	shares
	us-gaap	Weighted Average Number Of Shares Contingently Issuable WeightedAverageNumberOfSharesContingentlyIssuable	334000	shares
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40086000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39940000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40038000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39859000	shares
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.53
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.85
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.40
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.02
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40086000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39940000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40038000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39859000	shares
CY2022Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	131000	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	188000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	235000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	176000	shares
CY2022Q3	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	85000	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	113000	shares
	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	85000	shares
	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	113000	shares
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40302000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40241000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40358000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	40148000	shares
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.53
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.84
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.39
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.00
CY2022Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1046000	shares
CY2021Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	112000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1041000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	363000	shares
CY2022Q3	us-gaap	Guarantee Obligations Maximum Exposure GuaranteeObligationsMaximumExposure	54100000	usd
CY2022Q3	mmi	Maximum Unpaid Loan Amount For Which Guarantee Obligations Granted MaximumUnpaidLoanAmountForWhichGuaranteeObligationsGranted	324900000	usd
CY2022Q3	us-gaap	Other Commitment OtherCommitment	19300000	usd

Files In Submission

Name	View Source	Status
0001578732-22-000003-index-headers.html	Edgar Link	pending
0001578732-22-000003-index.html	Edgar Link	pending
0001578732-22-000003.txt	Edgar Link	pending
0001578732-22-000003-xbrl.zip	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
mmi-20220930.htm	Edgar Link	pending
mmi-20220930.xsd	Edgar Link	pending
mmi-20220930x10qxex311.htm	Edgar Link	pending
mmi-20220930x10qxex312.htm	Edgar Link	pending
mmi-20220930x10qxex321.htm	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
mmi-20220930_cal.xml	Edgar Link	unprocessable
mmi-20220930_def.xml	Edgar Link	unprocessable
mmi-20220930_pre.xml	Edgar Link	unprocessable
mmi-20220930_lab.xml	Edgar Link	unprocessable
mmi-20220930_htm.xml	Edgar Link	completed
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$MMI
Marcus & Millichap, Inc. Stock $mmi

2022 Q4 Form 10-Q Financial Statement

#000157873222000003 Filed on November 04, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MMI Marcus & Millichap, Inc. Stock $mmi

2022 Q4 Form 10-Q Financial Statement

#000157873222000003 Filed on November 04, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MMI
Marcus & Millichap, Inc. Stock $mmi