Acquistions - Summary of Combined Results of Operations for Instructure, MasteryConnect and Portfolium (Parenthetical) (Details)	9 Months Ended
Sep. 30, 2019 USD ($)
Business Acquisition Pro Forma Information [Abstract]
Pro forma net loss excludes deferred income tax benefit from business combination	$ 4,907,000

Deferred income tax benefit from business combination.

No definition available.

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Balance Type:	debit
Period Type:	duration