Intangible Assets - Net Intangible Assets (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
Intangible Assets
Gross Carrying Amount	$ 210,280
Accumulated Amortization	(33,480)
Net Carrying Amount	$ 176,800
University partner relationships
Intangible Assets
Estimated average useful life	25 years
Gross Carrying Amount	$ 210,000
Accumulated Amortization	(33,200)
Net Carrying Amount	$ 176,800
Trade names
Intangible Assets
Estimated average useful life	1 year
Gross Carrying Amount	$ 280
Accumulated Amortization	$ (280)