Condensed Consolidated Statements of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Condensed Consolidated Statements of Comprehensive Loss
Net loss	$ (18,612)us-gaap_ProfitLoss	$ (12,520)us-gaap_ProfitLoss
Other comprehensive income (loss):
Foreign currency translation adjustments	89	(50)
Total comprehensive loss	(18,523)	(12,570)
Net loss attributable to redeemable non-controlling interests	454	11
Other comprehensive (income) loss attributable to redeemable non-controlling interests	(3)	2
Comprehensive loss attributable to Marketo	$ (18,072)us-gaap_ComprehensiveIncomeNetOfTax	$ (12,557)us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount of Net Income (Loss) attributable to redeemable noncontrolling interest.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity.

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