Acquisitions - Summary of Acquisition Date Fair Value of Consideration (Details) - Feb. 15, 2018 - Soft Company [Member] $ in Thousands, € in Millions	USD ($)	EUR (€)
Business Acquisition [Line Items]
Cash consideration	$ 16,910	€ 13.6
Fair value of contingent consideration	1,997
Fair value of purchase consideration	$ 18,907

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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