XML 12 R39.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Related-Party Transactions - Additional Information (Detail) (USD $) | 3 Months Ended | 0 Months Ended |
--- | --- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Mar. 18, 2015 | Mar. 13, 2015 | Dec. 31, 2014
Related Party Transaction [Line Items] |  |  |  |  |
Accounts payable and other accrued expenses - related party | $ 273,000 us-gaap_DueToRelatedPartiesCurrent |  |  |  | $ 97,000 us-gaap_DueToRelatedPartiesCurrent
Transition services agreement date | Oct. 01, 2013 |  |  |  |
Real estate brokerage commissions and financing fees from transactions with former parent, Marcus & Millichap Company | 1,000,000 us-gaap_RevenueFromRelatedParties | 60,000 us-gaap_RevenueFromRelatedParties |  |  |
Commission expenses for transactions with former parent, Marcus & Millichap Company | 627,000 us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty | 36,000 us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty |  |  |
Aggregate principal amount outstanding for employee notes receivable | 218,000 us-gaap_DueFromEmployees |  |  |  | 378,000 us-gaap_DueFromEmployees
MMC [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Rent expense for lease | 109,500 us-gaap_OperatingLeasesRentExpenseNet / dei_LegalEntityAxis = mmi_MarcusAndMillichapCompanyMember | 109,500 us-gaap_OperatingLeasesRentExpenseNet / dei_LegalEntityAxis = mmi_MarcusAndMillichapCompanyMember |  |  |
Lease expiration date | May 31, 2022 |  |  |  |
MMC [Member] | Transition Services Agreement [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
General and administrative expense | 50,000 us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty / dei_LegalEntityAxis = mmi_MarcusAndMillichapCompanyMember / us-gaap_RelatedPartyTransactionAxis = mmi_TransitionServicesAgreementMember | 1,100,000 us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty / dei_LegalEntityAxis = mmi_MarcusAndMillichapCompanyMember / us-gaap_RelatedPartyTransactionAxis = mmi_TransitionServicesAgreementMember |  |  |
Accounts payable and other accrued expenses - related party | 273,000 us-gaap_DueToRelatedPartiesCurrent / dei_LegalEntityAxis = mmi_MarcusAndMillichapCompanyMember / us-gaap_RelatedPartyTransactionAxis = mmi_TransitionServicesAgreementMember |  |  |  | 97,000 us-gaap_DueToRelatedPartiesCurrent / dei_LegalEntityAxis = mmi_MarcusAndMillichapCompanyMember / us-gaap_RelatedPartyTransactionAxis = mmi_TransitionServicesAgreementMember
MMC [Member] | Transition Services Agreement [Member] | Health Insurance Premium [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
General and administrative expense | 0 us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty / dei_LegalEntityAxis = mmi_MarcusAndMillichapCompanyMember / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = mmi_HealthInsurancePremiumMember / us-gaap_RelatedPartyTransactionAxis = mmi_TransitionServicesAgreementMember | 1,000,000 us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty / dei_LegalEntityAxis = mmi_MarcusAndMillichapCompanyMember / us-gaap_ReinsurancePremiumsForInsuranceCompaniesByProductSegmentAxis = mmi_HealthInsurancePremiumMember / us-gaap_RelatedPartyTransactionAxis = mmi_TransitionServicesAgreementMember |  |  |
Mr. Marcus [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Percentage of ownership in diluted shares | 53.30%mmi_PercentageOfIndirectOwnershipInterest / us-gaap_TitleOfIndividualAxis = mmi_ChairmanAndFounderMember |  |  |  |
Shares registered for future sale | 4,600,000 mmi_CommonStockRegisteredForFutureSale / us-gaap_TitleOfIndividualAxis = mmi_ChairmanAndFounderMember |  |  |  |
Registration Statement date | Feb. 06, 2015 |  |  |  |
Proceeds from issuance of common stock | 0 us-gaap_ProceedsFromIssuanceOfCommonStock / us-gaap_TitleOfIndividualAxis = mmi_ChairmanAndFounderMember |  |  |  |
New shares offered | 0 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_TitleOfIndividualAxis = mmi_ChairmanAndFounderMember |  |  |  |
Costs incurred in connection with registration statement to be reimbursed by Phoenix Investment Holdings, LLC. | $ 113,000 us-gaap_DueFromRelatedPartiesCurrent / us-gaap_TitleOfIndividualAxis = mmi_ChairmanAndFounderMember |  |  |  |
Sale date of shares filed under registration statement | Mar. 18, 2015 |  |  |  |
Prospectus Supplement filing date | Mar. 13, 2015 |  |  |  |
Mr. Marcus [Member] | Underwriters [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Common stock sold by certain selling stockholders |  |  | 600,000 mmi_CommonStockSoldByCertainSellingStockholders / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_OverAllotmentOptionMember / us-gaap_TitleOfIndividualAxis = mmi_ChairmanAndFounderMember |  |
Common stock selling price |  |  | $ 31.9925 us-gaap_SharePrice / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_OverAllotmentOptionMember / us-gaap_TitleOfIndividualAxis = mmi_ChairmanAndFounderMember |  |
Mr. Marcus [Member] | Selling Stockholders [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Common stock sold by certain selling stockholders |  |  | 4,000,000 mmi_CommonStockSoldByCertainSellingStockholders / us-gaap_SubsidiarySaleOfStockAxis = mmi_SellingStockholdersMember / us-gaap_TitleOfIndividualAxis = mmi_ChairmanAndFounderMember | 4,000,000 mmi_CommonStockSoldByCertainSellingStockholders / us-gaap_SubsidiarySaleOfStockAxis = mmi_SellingStockholdersMember / us-gaap_TitleOfIndividualAxis = mmi_ChairmanAndFounderMember |
Common stock selling price |  |  | $ 31.9925 us-gaap_SharePrice / us-gaap_SubsidiarySaleOfStockAxis = mmi_SellingStockholdersMember / us-gaap_TitleOfIndividualAxis = mmi_ChairmanAndFounderMember |  |

X
- Definition Common stock registered for future sale. + References No definition available. + Details
Name: | mmi_CommonStockRegisteredForFutureSale
Namespace Prefix: | mmi_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Common stock sold by certain selling stockholders for shares registered in Form S-3. + References No definition available. + Details
Name: | mmi_CommonStockSoldByCertainSellingStockholders
Namespace Prefix: | mmi_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of the Company's Founder and Co-Chairman indirect ownership interest based on fully diluted shares. + References No definition available. + Details
Name: | mmi_PercentageOfIndirectOwnershipInterest
Namespace Prefix: | mmi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Prospectus supplement filing date. + References No definition available. + Details
Name: | mmi_ProspectusSupplementFilingDate
Namespace Prefix: | mmi_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Filing date with SEC for registration statement on form S-3. + References No definition available. + Details
Name: | mmi_RegistrationStatementOnFormThreeFilingDate
Namespace Prefix: | mmi_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Sale date of shares filed under registration statement on Form S-3. + References No definition available. + Details
Name: | mmi_SaleDateOfSharesFiledUnderRegistrationStatement
Namespace Prefix: | mmi_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Transition service agreement effective date. + References No definition available. + Details
Name: | mmi_TransitionServiceAgreementEffectiveDate
Namespace Prefix: | mmi_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition For an unclassified balance sheet, amounts due from an Entity employee, not to include stockholders or officers. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph k -Subparagraph 1 -Article 4 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 3 -Article 7 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39599-107864 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.3) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_DueFromEmployees
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Subparagraph a -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph k -Subparagraph 2 -Article 4 + Details
Name: | us-gaap_DueFromRelatedPartiesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph k -Subparagraph 1 -Article 4 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Subparagraph a -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DueToRelatedPartiesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Date which lease or group of leases is set to expire, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_LeaseExpirationDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
Name: | us-gaap_OperatingLeasesRentExpenseNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfCommonStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
Name: | us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(e)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Related Parties -URI http://asc.fasb.org/extlink&oid=16382449 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07.1(c)) -URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 07 -Paragraph b -Subparagraph 1 -Article 6 + Details
Name: | us-gaap_RevenueFromRelatedParties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Price of a single share of a number of saleable stocks of a company. + References No definition available. + Details
Name: | us-gaap_SharePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of new stock issued during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=mmi_MarcusAndMillichapCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TitleOfIndividualAxis=mmi_ChairmanAndFounderMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |