Intangible Assets - Net Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Mar. 31, 2019	Jan. 31, 2019
Intangible Assets
Intangible assets			$ 210,280
Gross Carrying Amount	$ 210,280
Accumulated Amortization	(41,899)
Net Carrying Amount	$ 168,381
University partner relationships
Intangible Assets
Intangible assets		$ 210,000
Estimated average useful life	25 years
Gross Carrying Amount	$ 210,000
Accumulated Amortization	(41,619)
Net Carrying Amount	$ 168,381
Trade names
Intangible Assets
Estimated average useful life	1 year
Gross Carrying Amount	$ 280
Accumulated Amortization	$ (280)