Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands, shares in Millions		12 Months Ended
	Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Goodwill And Intangible Assets [Line Items]
Carrying value of goodwill		$ 241,162	$ 243,540	$ 162,579
Amortization expense		7,600	7,300	4,500
Impairment of intangible assets, definite-lived		$ 10,829	1,115
Le Cordon Bleu International B V [Member]
Goodwill And Intangible Assets [Line Items]
Gain on sale of assets	$ 22,100
Le Cordon Bleu International B V [Member] | Brand Trade Names And Rights [Member]
Goodwill And Intangible Assets [Line Items]
Number of shares issued related to purchase agreement	1.8
Minimum [Member]
Goodwill And Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life		2 years
Maximum [Member]
Goodwill And Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life		14 years
CTU [Member]
Goodwill And Intangible Assets [Line Items]
Carrying value of goodwill		$ 130,755	133,133	73,728
Impairment of intangible assets, definite-lived		$ 9,700
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]		Asset Impairment Charges
AIUS [Member]
Goodwill And Intangible Assets [Line Items]
Carrying value of goodwill		$ 110,407	110,407	$ 88,851
Impairment of intangible assets, definite-lived			$ 1,100
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]			Asset Impairment Charges