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Due to Shareholders of Acquired Companies - Summary of Amounts Due to Shareholders of Acquired Companies (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Business Acquisition [Line Items]    
Total due to shareholders of acquired companies $ 16,869 $ 21,518
Less: Current portion of due to shareholders of acquired companies 8,587 11,523
Due to shareholders of acquired companies, less current portion 8,282 9,995
Universidade Anhembi Morumbi (UAM Brazil)    
Business Acquisition [Line Items]    
Total due to shareholders of acquired companies 16,678 20,179
IADE Group    
Business Acquisition [Line Items]    
Total due to shareholders of acquired companies 191 230
Faculdade Porto-Alegrense (FAPA)    
Business Acquisition [Line Items]    
Total due to shareholders of acquired companies $ 0 $ 1,109
Interest Rate % 3.00%  
Notes Payable, Related Party | Universidade Anhembi Morumbi (UAM Brazil) | Certificados de Depósitos Interbancários (CDI)    
Business Acquisition [Line Items]    
Basis spread on variable rate 2.00%