Marcus & Millichap, Inc. Annual report pursuant to Section 13 and 15(d)

Selected Balance Sheet Data - Schedule of Other Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Other Assets [Line Items]
Other assets	$ 3,146	$ 3,965
Commission notes receivable [Member]
Other Assets [Line Items]
Other assets	82	739
Due from sales agents [Member]
Other Assets [Line Items]
Other assets	566	376
Security deposits [Member]
Other Assets [Line Items]
Other assets	1,126	1,046
Other [Member]
Other Assets [Line Items]
Other assets	$ 1,372	$ 1,804