Acquisitions - ZuluDesk B.V. (Details) - ZuluDesk B.V - USD ($)		11 Months Ended	12 Months Ended
Feb. 01, 2019	Dec. 31, 2019	Dec. 31, 2019
Acquisitions
Aggregate purchase price	$ 38,600,000
Goodwill deductible for income tax purposes		$ 0	$ 0
Acquisition-related expenses			$ 900,000
Revenues		4,500,000
Business combination, pro forma information, loss of acquiree since acquisition date, actual		$ 300,000
Weighted-average economic life of intangible assets acquired	7 years

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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No definition available.

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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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