Amortizable Intangible Assets - Net Intangible Assets (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2022 USD ($)
Intangible Assets
Gross Carrying Amount	$ 210,280
Accumulated Amortization	(31,376)
Net Carrying Amount	$ 178,904
University partner relationships
Intangible Assets
Estimated average useful life	25 years
Gross Carrying Amount	$ 210,000
Accumulated Amortization	(31,096)
Net Carrying Amount	$ 178,904
Trade names
Intangible Assets
Estimated average useful life	1 year
Gross Carrying Amount	$ 280
Accumulated Amortization	$ (280)