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

Selected Balance Sheet Data - Schedule of Other Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Other Assets [Line Items]
Other assets Current	$ 5,136	$ 3,055
Other assets Non-Current	9,116	3,444
Due from independent contractors [Member]
Other Assets [Line Items]
Other assets Current	2,545	1,577
Other assets Non-Current	7,358	1,820
Security deposits [Member]
Other Assets [Line Items]
Other assets Non-Current	1,425	1,240
Employee Notes Receivable [Member]
Other Assets [Line Items]
Other assets Current	224	216
Other assets Non-Current	158	162
Customer trust accounts and other [Member]
Other Assets [Line Items]
Other assets Current	2,367	1,262
Other assets Non-Current	$ 175	$ 222