Company Overview and Basis of Presentation	12 Months Ended
Dec. 31, 2018
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Company Overview and Basis of Presentation	1. Company Overview and Basis of Presentation Business SVMK Inc. (the “Company”) is a global provider of survey software products. The Company was incorporated in 2011 as a Delaware corporation and is the successor to operations originally begun in 1999. The Company’s headquarters are located in the United States and its international operations are primarily based in Ireland and Canada. Principles of Consolidation and Basis of Presentation The accompanying consolidated financial statements are prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) and include the results of operations of the Company and its wholly-owned subsidiaries. All significant intercompany transactions have been eliminated. Certain other prior year balances have been reclassified to conform to the current year presentation. Such reclassifications did not affect total revenues, operating income or net income. On January 1, 2018, the Company adopted the requirements of Financial Accounting Standards Board (“FASB”) Accounting Standards Update (“ASU”) 2014-09, Revenue from Contracts with Customers (“ASC 606”) as discussed in Note 2 below in “Accounting Pronouncements Recently Adopted.” ASC 606 establishes a principle for recognizing revenue upon the transfer of promised goods or services to customers, in an amount that reflects the expected consideration received in exchange for those goods or services. ASC 606 also includes Subtopic 340-40, Other Assets and Deferred Costs—Contracts with Customers, which requires the deferral of incremental costs of obtaining a contract with a customer. Collectively, references to ASC 606 used herein refer to both ASC 606 and Subtopic 340-40. The Company adopted ASC 606 with retrospective application to the beginning of the earliest period presented. Initial public offering and concurrent private placement On September 28, 2018, the Company completed its initial public offering (“IPO”), in which the Company issued and sold 17,250,000 shares of common stock (including the additional 2,250,000 shares that were sold pursuant to the Underwriters’ option to purchase additional shares) at $12.00 per share. The Company received aggregate proceeds of $192.5 million, net of underwriters' discounts and commissions of $14.5 million. Immediately subsequent to the closing of the Company’s IPO, Salesforce Ventures LLC purchased 3,333,333 shares of common stock from the Company at the IPO price of $12.00 per share, and the Company received aggregate proceeds of $40.0 million. The Company’s net proceeds from the IPO and the concurrent private placement totaled $225.3 million after deducting offering costs of $7.2 million. Additionally, upon effectiveness of the registration statement for the Company's IPO, 2,574,499 net shares of Performance RSUs (as defined below) were released for awards where both a service condition and Performance Vesting Condition (as defined below) were met, and the Company recognized $89.9 million of stock-based compensation expense on an accelerated amortization method (see Notes 2 and 7 below for further discussion) and $21.4 million in payroll tax withholding obligations. The Company utilized a portion of its IPO proceeds to satisfy the payroll tax withholding obligations in the third quarter of 2018. Use of Estimates The preparation of consolidated financial statements in conformity with GAAP requires the Company’s management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the consolidated financial statements and reported amounts of revenue and expenses during the reporting periods covered by the consolidated financial statements and accompanying notes. Actual results could differ materially from those estimates. The Company bases its estimates on historical experience and on various other assumptions that it believes to be reasonable. The Company’s most significant estimates and judgments involve valuation of the Company’s stock-based awards, including the determination of fair value of common stock prior to the completion of its IPO, valuation of deferred income tax assets, estimating the period of benefit for deferred commissions, valuation of acquired goodwill and intangibles from acquisitions, tax contingencies and legal contingencies. Segment Information The Company operates as a single operating segment. The Company’s chief operating decision maker (“CODM”) is its Chief Executive Officer, who reviews the Company’s operating results on a consolidated basis in order to make decisions about allocating resources and assessing performance for the entire company. The CODM uses one measure of profitability and does not segment the Company’s business for internal reporting. See Note 11 for additional information regarding the Company’s revenue and long-lived assets by geographic area. Related Party Transactions Certain members of the Company’s Board of Directors (“Board”) serve as board members, are executive officers of and/or (in some cases) are investors in companies that are customers and/or vendors of the Company. The Company recognized revenue from sales of its products to a substantial stockholder of $1.7 million, $2.1 million and $1.8 million during the years ended December 31, 2018, 2017 and 2016, respectively. Sales to a substantial stockholder represented less than 1.0% of the Company’s total revenue in each of the periods presented. The Company incurred related party expenses of $1.5 million, $0.8 million and $1.0 million during the years ended December 31, 2018, 2017 and 2016, respectively.

Company Overview and Basis of Presentation

12 Months Ended

Dec. 31, 2018

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Company Overview and Basis of Presentation

1. Company Overview and Basis of Presentation

Business

SVMK Inc. (the “Company”) is a global provider of survey software products. The Company was incorporated in 2011 as a Delaware corporation and is the successor to operations originally begun in 1999. The Company’s headquarters are located in the United States and its international operations are primarily based in Ireland and Canada.

Principles of Consolidation and Basis of Presentation

The accompanying consolidated financial statements are prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) and include the results of operations of the Company and its wholly-owned subsidiaries. All significant intercompany transactions have been eliminated. Certain other prior year balances have been reclassified to conform to the current year presentation. Such reclassifications did not affect total revenues, operating income or net income.

On January 1, 2018, the Company adopted the requirements of Financial Accounting Standards Board (“FASB”) Accounting Standards Update (“ASU”) 2014-09, Revenue from Contracts with Customers (“ASC 606”) as discussed in Note 2 below in “Accounting Pronouncements Recently Adopted.” ASC 606 establishes a principle for recognizing revenue upon the transfer of promised goods or services to customers, in an amount that reflects the expected consideration received in exchange for those goods or services. ASC 606 also includes Subtopic 340-40, Other Assets and Deferred Costs—Contracts with Customers, which requires the deferral of incremental costs of obtaining a contract with a customer. Collectively, references to ASC 606 used herein refer to both ASC 606 and Subtopic 340-40. The Company adopted ASC 606 with retrospective application to the beginning of the earliest period presented.

Initial public offering and concurrent private placement

On September 28, 2018, the Company completed its initial public offering (“IPO”), in which the Company issued and sold 17,250,000 shares of common stock (including the additional 2,250,000 shares that were sold pursuant to the Underwriters’ option to purchase additional shares) at $12.00 per share. The Company received aggregate proceeds of $192.5 million, net of underwriters' discounts and commissions of $14.5 million. Immediately subsequent to the closing of the Company’s IPO, Salesforce Ventures LLC purchased 3,333,333 shares of common stock from the Company at the IPO price of $12.00 per share, and the Company received aggregate proceeds of $40.0 million. The Company’s net proceeds from the IPO and the concurrent private placement totaled $225.3 million after deducting offering costs of $7.2 million.

Additionally, upon effectiveness of the registration statement for the Company's IPO, 2,574,499 net shares of Performance RSUs (as defined below) were released for awards where both a service condition and Performance Vesting Condition (as defined below) were met, and the Company recognized $89.9 million of stock-based compensation expense on an accelerated amortization method (see Notes 2 and 7 below for further discussion) and $21.4 million in payroll tax withholding obligations. The Company utilized a portion of its IPO proceeds to satisfy the payroll tax withholding obligations in the third quarter of 2018.

Use of Estimates

The preparation of consolidated financial statements in conformity with GAAP requires the Company’s management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the consolidated financial statements and reported amounts of revenue and expenses during the reporting periods covered by the consolidated financial statements and accompanying notes. Actual results could differ materially from those estimates. The Company bases its estimates on historical experience and on various other assumptions that it believes to be reasonable. The Company’s most significant estimates and judgments involve valuation of the Company’s stock-based awards, including the determination of fair value of common stock prior to the completion of its IPO, valuation of deferred income tax assets, estimating the period of benefit for deferred commissions, valuation of acquired goodwill and intangibles from acquisitions, tax contingencies and legal contingencies.

Segment Information

The Company operates as a single operating segment. The Company’s chief operating decision maker (“CODM”) is its Chief Executive Officer, who reviews the Company’s operating results on a consolidated basis in order to make decisions about allocating resources and assessing performance for the entire company. The CODM uses one measure of profitability and does not segment the Company’s business for internal reporting. See Note 11 for additional information regarding the Company’s revenue and long-lived assets by geographic area.

Related Party Transactions

Certain members of the Company’s Board of Directors (“Board”) serve as board members, are executive officers of and/or (in some cases) are investors in companies that are customers and/or vendors of the Company. The Company recognized revenue from sales of its products to a substantial stockholder of $1.7 million, $2.1 million and $1.8 million during the years ended December 31, 2018, 2017 and 2016, respectively. Sales to a substantial stockholder represented less than 1.0% of the Company’s total revenue in each of the periods presented. The Company incurred related party expenses of $1.5 million, $0.8 million and $1.0 million during the years ended December 31, 2018, 2017 and 2016, respectively.