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

Quarterly report pursuant to Section 13 or 15(d)

Notes Payable to Former Stockholders - Additional Information (Detail)

Notes Payable to Former Stockholders - Additional Information (Detail) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Debt Instrument [Line Items]
Accrued interest expense pertaining to Notes	$ 540,000us-gaap_InterestPayableCurrent		$ 396,000us-gaap_InterestPayableCurrent
Interest expense	583,000us-gaap_InterestExpense	404,000us-gaap_InterestExpense
Notes Payable to Former Stockholders [Member]
Debt Instrument [Line Items]
Interest expense	$ 144,000	$ 152,000
Restricted Stock - Notes Payable [Member]
Debt Instrument [Line Items]
Unsecured notes interest rate	5.00%
Unsecured notes maturity date	Apr. 14, 2020
SARs - Notes Payable [Member]
Debt Instrument [Line Items]
Unsecured notes interest rate	5.00%
Unsecured notes maturity date	Jun. 30, 2020

- Definition

Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References + Details