XML 17 R62.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Convertible Senior Notes, Net - Note Hedges and Warrants (Details) $ / shares in Units, shares in Thousands, $ in Thousands |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Feb. 23, 2018 day shares | Sep. 30, 2019 USD ($) shares | Feb. 28, 2018 USD ($) day $ / shares shares | Jan. 31, 2020 USD ($) day $ / shares shares | Jan. 31, 2020 USD ($) day $ / shares shares | Jan. 31, 2019 USD ($) shares | Jan. 31, 2018 USD ($) shares | Sep. 01, 2019
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | shares |  |  |  |  | 28,292 | 30,881 |  | 30,516 |  |
Proceeds from Termination of Note Hedges |  |  |  |  | $ 405,851 |  |  |  |  |
Number of warrants issued, subject to anti-dilution adjustments (in shares) | shares | 7,100 |  |  |  |  |  |  |  |  |
Proceeds from issuance of warrants related to 2023 convertible senior notes |  |  |  |  | 0 | $ 52,440 | [1] | $ 0 | [1] |
Payments for Repurchase of Warrants |  |  |  |  | 358,622 | 0 | [1] | 0 | [1] |
Payment for Capped Call, Convertible Debt |  |  |  |  | $ 74,094 | $ 0 | [1] | $ 0 | [1] |
Convertible Senior Notes Due 2023 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Shares issuable under warrants granted (in shares) | shares |  | 4,600 |  |  |  |  |  |  |  |
Number of warrants issued, subject to anti-dilution adjustments (in shares) | shares |  |  |  | 2,500 | 2,500 |  |  |  |  |
Per share value, shares issuable under warrants granted (in dollars per share) | $ / shares |  |  | $ 68.06 |  |  |  |  |  |  |
Proceeds from issuance of warrants related to 2023 convertible senior notes |  |  | $ 52,400 |  |  |  |  |  |  |
Payments for Repurchase of Warrants |  | $ 358,600 |  |  |  |  |  |  |  |
Convertible Senior Notes Due 2025 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Initial Cap Price per Share, Capped Calls | $ / shares |  |  |  |  | $ 255.88 |  |  |  |  |
Payment for Capped Call, Convertible Debt |  |  |  |  | $ 74,100 |  |  |  |  |
Senior Notes | Convertible Senior Notes Due 2023 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt issuance costs, gross |  | $ 3,800 | $ 10,000 |  |  |  |  |  |  |
Shares issuable under warrants granted (in shares) | shares |  | 4,600 | 7,100 |  |  |  |  |  |  |
Proceeds from Termination of Note Hedges |  | $ 405,900 |  |  |  |  |  |  |  |
Conversion price (in dollars per share) | $ / shares |  |  | $ 48.36 |  |  |  |  |  |  |
Aggregate amount paid for cost of Note Hedge |  |  | $ 80,000 |  |  |  |  |  |  |
Number of warrants issued, subject to anti-dilution adjustments (in shares) | shares |  |  |  | 2,500 | 2,500 |  |  |  |  |
Debt Instrument, interest rate, stated percentage |  |  | 0.25% |  |  |  |  |  |  |
Debt instrument, interest rate, effective percentage |  | 4.00% | 5.68% |  |  |  |  |  |  |
Unamortized debt issuance expense |  |  |  | $ 7,700 | $ 7,700 |  |  |  |  |
Debt Instrument, Convertible, Threshold Consecutive Trading Days | day | 30 |  |  |  | 30 |  |  |  |  |
Debt Instrument, Redemption Price, Percentage | 100.00% |  | 100.00% |  |  |  |  |  |  |
Percentage of closing sale price in excess of convertible notes | 98.00% |  |  |  |  |  |  |  |  |
Senior Notes | Convertible Senior Notes Due 2025 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt issuance costs, gross |  |  |  | $ 19,300 | $ 19,300 |  |  |  |  |
Conversion price (in dollars per share) | $ / shares |  |  |  | $ 188.71 | $ 188.71 |  |  |  |  |
Debt Instrument, interest rate, stated percentage |  |  |  |  |  |  |  |  |  | 0.125%
Proceeds from Issuance of Debt |  | $ 1,040,700 |  |  |  |  |  |  |  |
Debt instrument, interest rate, effective percentage |  |  | 4.10% |  |  |  |  |  |  |
Unamortized debt issuance expense |  |  |  | $ 15,300 | $ 15,300 |  |  |  |  |
Debt Instrument, Convertible, Threshold Consecutive Trading Days | day |  |  | 30 | 30 |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  | 130.00% | 100.00% |  |  |  |  |  |  |
Percentage of closing sale price in excess of convertible notes |  |  |  | 98.00% |  |  |  |  |  |
Debt Instrument, Redemption, Sales Price as a Percentage of Conversion Price |  | 130.00% |  |  |  |  |  |  |  |
Additional Paid-in Capital | Senior Notes | Convertible Senior Notes Due 2023 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument, convertible, equity component, unamortized discount issuance costs |  |  |  | $ 811 | 811 |  |  |  |  |
Additional Paid-in Capital | Senior Notes | Convertible Senior Notes Due 2025 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument, convertible, equity component, unamortized discount issuance costs |  |  |  | $ 4,040 | $ 4,040 |  |  |  |  |
Convertible Debt Securities [Member] |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | shares |  |  |  |  | 2,494 | 7,134 |  | 0 |  |
Convertible Debt Securities [Member] | Convertible Senior Notes Due 2025 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | shares |  |  |  |  | 5,600 |  |  |  |  |
[1] | Adjusted for adoption of ASC 842. See Note 2.

X
- Definition Debt Instrument, Convertible, Equity Component, Unamortized Discount Issuance Costs + References No definition available. + Details
Name: | okta_DebtInstrumentConvertibleEquityComponentUnamortizedDiscountIssuanceCosts
Namespace Prefix: | okta_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt Instrument, Redemption, Sales Price as a Percentage of Conversion Price + References No definition available. + Details
Name: | okta_DebtInstrumentRedemptionSalesPriceasaPercentageofConversionPrice
Namespace Prefix: | okta_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Initial Cap Price per Share, Capped Calls + References No definition available. + Details
Name: | okta_InitialCapPriceperShareCappedCalls
Namespace Prefix: | okta_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Payment for Capped Call, Convertible Debt + References No definition available. + Details
Name: | okta_PaymentforCappedCallConvertibleDebt
Namespace Prefix: | okta_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Percentage Of Closing Sale Price In Excess Of Convertible Notes + References No definition available. + Details
Name: | okta_PercentageOfClosingSalePriceInExcessOfConvertibleNotes
Namespace Prefix: | okta_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proceeds from Termination of Note Hedges + References No definition available. + Details
Name: | okta_ProceedsfromTerminationofNoteHedges
Namespace Prefix: | okta_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of warrants or rights outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The price per share of the conversion feature embedded in the debt instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031898-161870 + Details
Name: | us-gaap_DebtInstrumentConvertibleConversionPrice1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
Name: | us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399 + Details
Name: | us-gaap_DeferredFinanceCostsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The cash outflow for a financial contract that meets the hedge criteria as either cash flow hedge, fair value hedge or hedge of net investment in foreign operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 27 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3581-108585 + Details
Name: | us-gaap_PaymentsForHedgeFinancingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The aggregate amount paid by the entity to reacquire the right to purchase equity shares at a predetermined price, usually issued together with corporate debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsForRepurchaseOfWarrants
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfWarrants
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_UnamortizedDebtIssuanceExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentAxis=okta_ConvertibleSeniorNotesDue2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=okta_ConvertibleSeniorNotesDue2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_AdditionalPaidInCapitalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_ConvertibleDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |