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Business and Geographic Segment Information - Additional Information (Details)
5 Months Ended 6 Months Ended 7 Months Ended
Dec. 31, 2017
segment
Jun. 30, 2018
segment
campus
state
licensed_institution
educational_institution
Jul. 31, 2017
segment
Segment Reporting Information [Line Items]      
Number of operating segments (segment) | segment 6 6 3
Brazil      
Segment Reporting Information [Line Items]      
Number of students attending post secondary education In a private educational institutions, percent   75.00%  
Number of postsecondary educational institutions (educational institution) | educational_institution   13  
Number of states in which entity operates (state) | state   8  
Mexico      
Segment Reporting Information [Line Items]      
Number of postsecondary educational institutions (educational institution) | educational_institution   2  
Number of campuses of postsecondary educational institutions (campus) | campus   40  
Chile      
Segment Reporting Information [Line Items]      
Number of students attending post secondary education In a private educational institutions, percent   80.00%  
Saudi Arabia      
Segment Reporting Information [Line Items]      
Number of licensed institutions managed through joint venture arrangements (licensed institution) | licensed_institution   9  
China      
Segment Reporting Information [Line Items]      
Number of licensed institutions managed through joint venture arrangements (licensed institution) | licensed_institution   1