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Plateau Acquisition - Narrative (Details) - USD ($) $ in Thousands	Oct. 02, 2019	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Goodwill		$ 192,014	$ 191,892
Plateau
Business Acquisition [Line Items]
Total consideration	$ 427,533
Goodwill	$ 106,784

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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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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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