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Acquisition and Divestiture (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended
	Feb. 28, 2023	Oct. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Business Acquisition [Line Items]
Proceeds from sale of divested operation			$ 158,733	$ 0
Gain from sale of divested operation			139,316	$ 0
TalentNeuron
Business Acquisition [Line Items]
Sale of business, consideration	$ 164,200
Proceeds from sale of divested operation	$ 158,700
Gain from sale of divested operation			139,300
Goodwill			16,000
Intangible assets, net			9,500
Property, equipment and leasehold improvements, net,			4,500
Accounts receivable			11,800
Deferred revenues			$ 24,400
Chicago, Illinois
Business Acquisition [Line Items]
Percent of outstanding membership interests acquired		100.00%
Purchase price		$ 6,400

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