Marcus & Millichap, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Description of business, basis of presentation and recent accounting pronouncements (Policies)
Notes Tables
Notes Details

Related-Party Transactions - Additional Information (Detail)

v3.8.0.1

Related-Party Transactions - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Related Party Transaction [Line Items]
Aggregate principal amount for employee notes receivable	$ 605,000		$ 605,000		$ 446,000
MMC [Member]
Related Party Transaction [Line Items]
Real estate brokerage commissions and financing fees from transactions with subsidiaries of Marcus & Millichap Company	309,000	$ 1,100,000	632,000	$ 3,500,000
Commission expenses for transactions with subsidiaries of Marcus & Millichap Company	181,000	674,000	368,000	2,100,000
Rent expense for lease	253,000	253,000	$ 759,000	759,000
Lease expiration date			May 31, 2022
Accounts payable and other accrued expenses - related party	91,000		$ 91,000		$ 303,000
MMC [Member] \| Transition Services Agreement [Member]
Related Party Transaction [Line Items]
Selling, general and administrative expense	$ 43,000	$ 61,000	$ 168,000	$ 185,000
Transition services agreement date	Oct. 01, 2013
George M. Marcus [Member]
Related Party Transaction [Line Items]
Beneficial ownership percentage	53.00%

- Definition

The Company's Founder and Co-Chairman beneficial ownership percentage of the Company's issued and outstanding common stock.

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Transition service agreement effective date.

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- Definition

For an unclassified balance sheet, amounts due from an Entity employee, not to include stockholders or officers.

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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).

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Date which lease or group of leases is set to expire, in CCYY-MM-DD format.

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Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.

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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.

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