Overview and Basis of Presentation	12 Months Ended
Jan. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Overview and Basis of Presentation	Overview and Basis of Presentation Description of Business Okta, Inc. (the Company) is the leading provider of identity for the enterprise. The Okta Identity Cloud enables customers to securely connect people to technology, anywhere, anytime and from any device. The Company was incorporated in January 2009 as Saasure, Inc., a California corporation, and was later reincorporated in April 2010 under the name Okta, Inc. as a Delaware corporation. The Company is headquartered in San Francisco, California. Basis of Presentation and Principles of Consolidation The accompanying consolidated financial statements, which include the accounts of the Company and its wholly owned subsidiaries, have been prepared in conformity with accounting principles generally accepted in the United States of America (GAAP). All intercompany balances and transactions have been eliminated in consolidation. Certain immaterial reclassifications of prior period amounts have been made in our consolidated balance sheets and consolidated statements of cash flows to conform to the current period presentation. The Company’s fiscal year ends on January 31. References to fiscal 2018, for example, refer to the fiscal year ended January 31, 2018. Initial Public Offering In April 2017, the Company completed an initial public offering (IPO), in which the Company issued and sold 12,650,000 shares of its newly authorized Class A common stock, which included 1,650,000 shares sold pursuant to the exercise by the underwriters’ option to purchase additional shares at a public offering price of $17.00 per share. The Company received aggregate proceeds of $200.0 million from the IPO, net of underwriters’ discounts and commissions, before deducting offering costs of approximately $5.6 million. Immediately prior to the completion of the IPO, all shares of common stock then outstanding were reclassified as Class B common stock, and all shares of redeemable convertible preferred stock then outstanding were converted into 59,491,640 shares of common stock on a one-to-one basis and then reclassified into Class B common stock. See Note 10 for additional details. As of January 31, 2018, 70,609,898 shares of the Company’s Class A common stock and 33,361,106 shares of Class B common stock were outstanding. Use of Estimates The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates, judgments and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. The Company bases its estimates on historical experience and on other assumptions that its management believes are reasonable under the circumstances. Actual results could vary from those estimates. The Company’s most significant estimates and judgments involve revenue recognition with respect to the determination of the relative selling prices for the Company’s services, determination of the fair value of the Company’s common stock prior to the completion of the IPO, valuation of the Company’s stock-based awards, valuation of deferred income tax assets and contingencies. Foreign Currency The functional currencies of the Company’s foreign subsidiaries are the respective local currencies. Translation adjustments arising from the use of differing exchange rates from period to period are included in accumulated other comprehensive loss within the consolidated statements of redeemable convertible preferred stock and stockholders’ equity (deficit). Foreign currency transaction gains and losses are included in other expense, net in the consolidated statements of operations and were not material for the years ended January 31, 2018, 2017 or 2016. All assets and liabilities denominated in a foreign currency are translated into U.S. dollars at the exchange rate on the balance sheet date. Revenue and expenses are translated at the average exchange rate during the period, and equity balances are translated using historical exchange rates.

Overview and Basis of Presentation

Description of Business

Okta, Inc. (the Company) is the leading provider of identity for the enterprise. The Okta Identity Cloud enables customers to securely connect people to technology, anywhere, anytime and from any device. The Company was incorporated in January 2009 as Saasure, Inc., a California corporation, and was later reincorporated in April 2010 under the name Okta, Inc. as a Delaware corporation. The Company is headquartered in San Francisco, California.

Basis of Presentation and Principles of Consolidation

The accompanying consolidated financial statements, which include the accounts of the Company and its wholly owned subsidiaries, have been prepared in conformity with accounting principles generally accepted in the United States of America (GAAP). All intercompany balances and transactions have been eliminated in consolidation. Certain immaterial reclassifications of prior period amounts have been made in our consolidated balance sheets and consolidated statements of cash flows to conform to the current period presentation.

The Company’s fiscal year ends on January 31. References to fiscal 2018, for example, refer to the fiscal year ended January 31, 2018.

Initial Public Offering

In April 2017, the Company completed an initial public offering (IPO), in which the Company issued and sold 12,650,000 shares of its newly authorized Class A common stock, which included 1,650,000 shares sold pursuant to the exercise by the underwriters’ option to purchase additional shares at a public offering price of $17.00 per share. The Company received aggregate proceeds of $200.0 million from the IPO, net of underwriters’ discounts and commissions, before deducting offering costs of approximately $5.6 million. Immediately prior to the completion of the IPO, all shares of common stock then outstanding were reclassified as Class B common stock, and all shares of redeemable convertible preferred stock then outstanding were converted into 59,491,640 shares of common stock on a one-to-one basis and then reclassified into Class B common stock. See Note 10 for additional details.

As of January 31, 2018, 70,609,898 shares of the Company’s Class A common stock and 33,361,106 shares of Class B common stock were outstanding.

Use of Estimates

The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates, judgments and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. The Company bases its estimates on historical experience and on other assumptions that its management believes are reasonable under the circumstances. Actual results could vary from those estimates. The Company’s most significant estimates and judgments involve revenue recognition with respect to the determination of the relative selling prices for the Company’s services, determination of the fair value of the Company’s common stock prior to the completion of the IPO, valuation of the Company’s stock-based awards, valuation of deferred income tax assets and contingencies.

Foreign Currency

The functional currencies of the Company’s foreign subsidiaries are the respective local currencies. Translation adjustments arising from the use of differing exchange rates from period to period are included in accumulated other comprehensive loss within the consolidated statements of redeemable convertible preferred stock and stockholders’ equity (deficit). Foreign currency transaction gains and losses are included in other expense, net in the consolidated statements of operations and were not material for the years ended January 31, 2018, 2017 or 2016. All assets and liabilities denominated in a foreign currency are translated into U.S. dollars at the exchange rate on the balance sheet date. Revenue and expenses are translated at the average exchange rate during the period, and equity balances are translated using historical exchange rates.