Revenue - Schedule of Components (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Revenue	$ 267,691	$ 243,523	$ 789,971	$ 739,698
Percent of net revenues	100.00%	100.00%	100.00%	100.00%
Tuition and educational services
Disaggregation of Revenue [Line Items]
Revenue	$ 289,832	$ 268,352	$ 870,043	$ 795,419
Percent of net revenues	108.00%	110.00%	110.00%	108.00%
Other
Disaggregation of Revenue [Line Items]
Revenue	$ 42,081	$ 29,469	$ 109,295	$ 89,565
Percent of net revenues	16.00%	12.00%	14.00%	12.00%
Gross revenue
Disaggregation of Revenue [Line Items]
Revenue	$ 331,913	$ 297,821	$ 979,338	$ 884,984
Percent of net revenues	124.00%	122.00%	124.00%	120.00%
Less: Discounts / waivers / scholarships
Disaggregation of Revenue [Line Items]
Revenue	$ 64,222	$ 54,298	$ 189,367	$ 145,286
Percent of net revenues	(24.00%)	(22.00%)	(24.00%)	(20.00%)
Operating Segments | Mexico
Disaggregation of Revenue [Line Items]
Revenue	$ 131,261	$ 115,949	$ 390,941	$ 385,021
Operating Segments | Mexico | Tuition and educational services
Disaggregation of Revenue [Line Items]
Revenue	160,117	141,897	483,854	442,470
Operating Segments | Mexico | Other
Disaggregation of Revenue [Line Items]
Revenue	25,813	17,491	67,139	56,845
Operating Segments | Mexico | Gross revenue
Disaggregation of Revenue [Line Items]
Revenue	185,930	159,388	550,993	499,315
Operating Segments | Mexico | Less: Discounts / waivers / scholarships
Disaggregation of Revenue [Line Items]
Revenue	54,669	43,439	160,052	114,294
Operating Segments | Peru
Disaggregation of Revenue [Line Items]
Revenue	133,121	127,314	392,279	351,413
Operating Segments | Peru | Tuition and educational services
Disaggregation of Revenue [Line Items]
Revenue	129,715	126,455	386,189	352,949
Operating Segments | Peru | Other
Disaggregation of Revenue [Line Items]
Revenue	12,959	11,718	35,405	29,456
Operating Segments | Peru | Gross revenue
Disaggregation of Revenue [Line Items]
Revenue	142,674	138,173	421,594	382,405
Operating Segments | Peru | Less: Discounts / waivers / scholarships
Disaggregation of Revenue [Line Items]
Revenue	9,553	10,859	29,315	30,992
Corporate
Disaggregation of Revenue [Line Items]
Revenue	3,309	260	6,751	3,264
Corporate | Tuition and educational services
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Corporate | Other
Disaggregation of Revenue [Line Items]
Revenue	3,309	260	6,751	3,264
Corporate | Gross revenue
Disaggregation of Revenue [Line Items]
Revenue	3,309	260	6,751	3,264
Corporate | Less: Discounts / waivers / scholarships
Disaggregation of Revenue [Line Items]
Revenue	$ 0	$ 0	$ 0	$ 0