Share-Based Compensation Arrangement By Share-Based Payment Award, Initial Offering Period

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Offering Periods

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Share-Based Compensation Arrangement By Share-Based Payment Award, Offering Period

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Percentage Threshold Of Grant Price

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Aggregate number of common shares reserved for future issuance.

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of tax benefit from exercise of stock options granted under share-based compensation arrangement.

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- Definition

Fair value of share-based compensation granted to nonemployees as payment for services rendered or acknowledged claims.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Discount rate from fair value on purchase date that participants pay for shares.

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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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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Net number of non-option equity instruments granted to participants.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Number of share instruments newly issued under a share-based compensation plan.

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- Definition

The number of shares or units of entity securities issued in the transaction in which equity securities were issued to pay for goods or nonemployee services.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Purchase price of common stock expressed as a percentage of its fair value.

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Per share or per unit amount of equity securities issued.

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For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer.

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Value, before forfeitures, of stock or other type of equity granted of any equity-based compensation plan other than an employee stock ownership plan (ESOP).

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Number of new stock issued during the period.

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Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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Stock-Based Compensation - Narrative (Details) $ / shares in Units, $ in Thousands	1 Months Ended			4 Months Ended	12 Months Ended
	Aug. 31, 2018 offering_period shares	Oct. 31, 2017 shares	Aug. 31, 2014 shares	Jun. 30, 2014 shares	Dec. 31, 2018 USD ($) $ / shares shares	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2016 USD ($) $ / shares shares	Jul. 31, 2018 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares reserved for future issuance (in shares) \| shares					37,219,376	89,292,466
Dividend yield					0.00%
Intrinsic value of options exercised					$ 18,000	$ 2,900	$ 600
Weighted-average grant-date fair value of options granted (in dollars per share) \| $ / shares					$ 3.65	$ 1.54	$ 1.41
Total					$ 10,361	$ 6,846	$ 7,266
Issuance of common stock in connection with the initial public offering, net of discounts and commissions					$ 109,381
Nonemployee shares granted (in shares) \| shares						8,500	8,000
Stock-based compensation expense related to non-employee services						$ 100	$ 200
Secondary Market Transactions
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total						$ 400	$ 500
Number of shares issued and sold (in shares) \| shares						488,484	324,826
Issuance of common stock in connection with the initial public offering, net of discounts and commissions						$ 2,300	$ 1,600
Secondary Market Transactions \| Average
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Average share price (in dollars per share) \| $ / shares						$ 4.72	$ 4.93
Options to purchase common stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares reserved for future issuance (in shares) \| shares					23,774,279	23,607,746
Total					$ 8,600	$ 6,300	$ 6,500
RSUs issued and outstanding
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares reserved for future issuance (in shares) \| shares					288,460	0
Fully vested non-option equity instruments granted (in shares) \| shares					35,494
Value of equity granted					$ 500
Share-based tax liability of granted shares					$ 200
Shares surrendered to pay for tax liability \| shares					12,648
Total						$ 1,100
ESPP Plan shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total							$ 600
Elance-oDesk Assumed Award Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Discount on share at purchase date from original option price					16.14%
Vesting period					4 years
Expiration period					10 years
2014 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				4 years
Expiration period				10 years
Shares available for grant \| shares				12,462,985
Shares issued in period \| shares	100,000	4,500,000	3,001,091
Grant price, threshold of fair value price must meet				100.00%
Common stock shares reserved for future issuance (in shares) \| shares					0	3,962,024
2018 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares reserved for future issuance (in shares) \| shares	10,701,505				10,558,306	0
Option to purchase shares of common stock, granted \| shares								1,860,000
Dividend yield					0.00%	0.00%	0.00%
2018 Equity Incentive Plan \| Options to purchase common stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized stock-based compensation cost, options					$ 23,000
Unrecognized stock-based compensation cost, weighted average period of recognition					3 years 6 months
2018 Equity Incentive Plan \| RSUs issued and outstanding
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized stock-based compensation cost, options					$ 3,800
Unrecognized stock-based compensation cost, weighted average period of recognition					3 years
2018 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Discount on share at purchase date from original option price	15.00%
Common stock shares reserved for future issuance (in shares) \| shares	1,700,000				1,700,000	0
Dividend yield					0.00%
Unrecognized stock-based compensation cost, options					$ 1,300
Initial offering period of ESPP	24 months
Number of offering periods in ESPP \| offering_period	4
Length of offering period	6 months
Common stock percentage of purchase price	85.00%