Business and Geographic Segment Information - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) campus educational_institution state segment	Dec. 31, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments (segment) | segment	6
Number of additional operating segments created (segment) | segment	3
Assets | $	$ 6,515,628	$ 6,769,636
Brazil
Segment Reporting Information [Line Items]
Number of postsecondary educational institutions (educational institution) | educational_institution	12
Number of states in which entity operates (state) | state	7
Mexico
Segment Reporting Information [Line Items]
Number of campuses of postsecondary educational institutions (campus) | campus	40
Number of licensed institutions managed through joint venture arrangements (licensed institution) | educational_institution	2
Discontinued Operations, Held-for-sale
Segment Reporting Information [Line Items]
Assets | $	$ 381,297	$ 1,311,928