Goodwill and Intangible Assets - Intangibles (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Subject to amortization
Accumulated amortization	$ (78,389)	$ (23,056)
Net	87,611
Total
Intangible assets, gross	351,400	351,400
Intangible assets, net	273,011	328,344
Trade names
Not Subject to amortization
Indefinite-lived intangible assets	185,400	185,400
Student relationships
Subject to amortization
Gross carrying amount	166,000	166,000
Accumulated amortization	(78,389)	(23,056)
Net	$ 87,611	142,944
Trade names
Not Subject to amortization
Indefinite-lived intangible assets		$ 185,400