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Revenues - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Total net revenues	$ 157,854	$ 164,739	$ 528,308	$ 561,704
Change, Total net revenues	$ (6,885)		$ (33,396)
Change, Total net revenues, percent	(4.00%)		(6.00%)
Subscription Services
Disaggregation of Revenue [Line Items]
Total net revenues	$ 139,912	146,001	$ 474,207	494,462
Change, Total net revenues	$ (6,089)		$ (20,255)
Change, Total net revenues, percent	(4.00%)		(4.00%)
Skills and Other
Disaggregation of Revenue [Line Items]
Total net revenues	$ 17,942	$ 18,738	$ 54,101	$ 67,242
Change, Total net revenues	$ (796)		$ (13,141)
Change, Total net revenues, percent	(4.00%)		(20.00%)

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