Condensed Consolidated Statements of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Condensed Consolidated Statements of Comprehensive Loss
Net loss	$ (13,271)	$ (12,390)	$ (25,791)	$ (21,914)
Other comprehensive income (loss):
Foreign currency translation adjustments	115	(26)	65	12
Total comprehensive loss	(13,156)	(12,416)	(25,726)	(21,902)
Net loss attributable to redeemable non-controlling interests	159		170
Other comprehensive (income) loss attributable to redeemable non-controlling interests	(20)		(18)
Comprehensive loss attributable to Marketo	$ (13,017)	$ (12,416)	$ (25,574)	$ (21,902)