v3.20.2

Segment and Geographic Information - Geographical Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Geographical Information
Revenue	$ 201,073	$ 153,798	$ 559,239	$ 411,493
Assets	1,552,778		1,552,778		$ 1,186,830
Alternative Credential Segment
Geographical Information
Revenue	79,037	50,405	203,061	102,523
Assets	700,428		700,428		679,643
Alternative Credential Segment | Non-US
Geographical Information
Revenue	19,700	$ 10,600	49,200	$ 29,400
Assets	$ 1,600		$ 1,600		$ 2,700

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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