Revenue - Schedule of Components (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue [Line Items]
Revenue	$ 243,523	$ 277,267	$ 739,698	$ 860,224
Percent of net revenues	100.00%	100.00%	100.00%	100.00%
Tuition and educational services
Disaggregation of Revenue [Line Items]
Revenue	$ 268,352	$ 281,129	$ 795,419	$ 876,248
Percent of net revenues	110.00%	102.00%	108.00%	102.00%
Other
Disaggregation of Revenue [Line Items]
Revenue	$ 29,469	$ 42,604	$ 89,565	$ 118,453
Percent of net revenues	12.00%	15.00%	12.00%	14.00%
Gross revenue
Disaggregation of Revenue [Line Items]
Revenue	$ 297,821	$ 323,733	$ 884,984	$ 994,701
Percent of net revenues	122.00%	117.00%	120.00%	116.00%
Less: Discounts / waivers / scholarships
Disaggregation of Revenue [Line Items]
Revenue	$ 54,298	$ 46,466	$ 145,286	$ 134,477
Percent of net revenues	(22.00%)	(17.00%)	(20.00%)	(16.00%)
Operating Segments | Mexico
Disaggregation of Revenue [Line Items]
Revenue	$ 115,949	$ 145,790	$ 385,021	$ 464,709
Operating Segments | Mexico | Tuition and educational services
Disaggregation of Revenue [Line Items]
Revenue	141,897	156,123	442,470	499,013
Operating Segments | Mexico | Other
Disaggregation of Revenue [Line Items]
Revenue	17,491	27,540	56,845	75,202
Operating Segments | Mexico | Gross revenue
Disaggregation of Revenue [Line Items]
Revenue	159,388	183,663	499,315	574,215
Operating Segments | Mexico | Less: Discounts / waivers / scholarships
Disaggregation of Revenue [Line Items]
Revenue	43,439	37,873	114,294	109,506
Operating Segments | Peru
Disaggregation of Revenue [Line Items]
Revenue	127,314	130,805	351,413	391,055
Operating Segments | Peru | Tuition and educational services
Disaggregation of Revenue [Line Items]
Revenue	126,455	125,006	352,949	377,235
Operating Segments | Peru | Other
Disaggregation of Revenue [Line Items]
Revenue	11,718	14,392	29,456	38,791
Operating Segments | Peru | Gross revenue
Disaggregation of Revenue [Line Items]
Revenue	138,173	139,398	382,405	416,026
Operating Segments | Peru | Less: Discounts / waivers / scholarships
Disaggregation of Revenue [Line Items]
Revenue	10,859	8,593	30,992	24,971
Corporate
Disaggregation of Revenue [Line Items]
Revenue	260	672	3,264	4,460
Corporate | Tuition and educational services
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Corporate | Other
Disaggregation of Revenue [Line Items]
Revenue	260	672	3,264	4,460
Corporate | Gross revenue
Disaggregation of Revenue [Line Items]
Revenue	260	672	3,264	4,460
Corporate | Less: Discounts / waivers / scholarships
Disaggregation of Revenue [Line Items]
Revenue	$ 0		$ 0	$ 0