v3.20.2

Stockholders' Equity - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Stock-based compensation expense included in the unaudited condensed consolidated statements of operations
Stock-based compensation expense	$ 22,001	$ 16,535	$ 63,962	$ 36,086
Curriculum and teaching
Stock-based compensation expense included in the unaudited condensed consolidated statements of operations
Stock-based compensation expense	21	30	212	38
Servicing and support
Stock-based compensation expense included in the unaudited condensed consolidated statements of operations
Stock-based compensation expense	3,409	2,626	10,979	6,129
Technology and content development
Stock-based compensation expense included in the unaudited condensed consolidated statements of operations
Stock-based compensation expense	3,059	2,228	9,164	5,732
Marketing and sales
Stock-based compensation expense included in the unaudited condensed consolidated statements of operations
Stock-based compensation expense	1,618	2,238	6,704	4,981
General and administrative
Stock-based compensation expense included in the unaudited condensed consolidated statements of operations
Stock-based compensation expense	$ 13,894	$ 9,413	$ 36,903	$ 19,206

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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+ References

No definition available.

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