The price per share of the conversion feature embedded in the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Aggregate loss on all derivative instruments charged against earnings during the period, before tax effects.

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Number of shares issued during the period as a result of the conversion of convertible securities.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Convertible Promissory Notes - Additional Information (Details) - USD ($)		1 Months Ended	12 Months Ended
	Apr. 23, 2019	Oct. 31, 2018	Jan. 31, 2020
Convertible Debt
Debt Instrument [Line Items]
Debt instrument term		3 years
Share price per share (in dollars per share)	$ 36.00
Loss on derivative instruments, pretax			$ 200,000
Write off of deferred debt issuance cost			$ 100,000
Class A Common Stock \| Convertible Debt
Debt Instrument [Line Items]
Share price per share (in dollars per share)	$ 36.00
Class A Common Stock \| Initial public offering
Debt Instrument [Line Items]
Conversion of convertible preferred stock to common stock upon initial public offering (in shares)	426,223
Dropbox \| Convertible Debt
Debt Instrument [Line Items]
Debt instrument face amount		$ 5,000,000.0
Interest rate percentage		2.75%
Atlassian \| Convertible Debt
Debt Instrument [Line Items]
Debt instrument face amount		$ 10,000,000.0
Interest rate percentage		5.00%