Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net loss attributable to Marketo	$ (54,346)	$ (38,424)
Net loss and adjustment attributable to redeemable non-controlling interests	1,306	(376)
Net loss	(53,040)	(38,800)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities
Depreciation and amortization	10,072	6,776
Stock-based compensation expense	29,674	17,433
Deferred income taxes	351	(47)
Provision for allowance for doubtful accounts	402	291
Changes in operating assets and liabilities:
Accounts receivable	(4,712)	231
Prepaid expenses and other current assets	(1,632)	(1,928)
Other assets	(813)	(634)
Accounts payable	2,132	94
Accrued expenses and other current liabilities	1,423	(6,632)
Deferred revenue	19,645	12,329
Other liabilities	232	49
Net cash provided by (used in) operating activities	3,734	(10,838)
Cash flows from investing activities:
Increase in Restricted Cash	(215)
Purchase of property and equipment	(11,620)	(6,242)
Capitalized software development	(926)	(463)
Net cash used in investing activities	(12,761)	(6,705)
Cash flows from financing activities:
Proceeds from issuance of common stock upon exercise of stock options	4,765	4,714
Proceeds from the issuance of common stock issued under the employee stock purchase plan	5,629	6,143
Investment from redeemable non-controlling interests	1,678	1,953
Repurchase of unvested common stock from terminated employees	(32)	(48)
Withholding taxes remitted for the net share settlement of an equity awards	(400)	(2,120)
Repayment of debt	(2,029)	(1,524)
Payment of deferred follow-on offering costs		(104)
Payment incurred for common stock registration related to acquisition		(319)
Net cash provided by financing activities	9,611	8,695
Effect of foreign exchange rate changes on cash and cash equivalents	(375)	(657)
Net decrease in cash and cash equivalents	209	(9,505)
Cash and cash equivalents - beginning of period	112,644	128,299
Cash and cash equivalents - end of period	112,853	118,794
Supplemental disclosures of cash flow information:
Cash paid for interest	136	213
Cash paid for income taxes	321	101
Supplemental disclosure of noncash investing and financing activities:
Vesting of early exercise options	111	236
Unpaid and accrued fixed assets	1,189	2,422
Property and equipment acquired through tenant improvement allowance	$ 211	$ 973