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Due to Shareholders of Acquired Companies - Summary of Amounts Due to Shareholders of Acquired Companies (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2020 | Dec. 31, 2019
Business Acquisition [Line Items] |  |
Total due to shareholders of acquired companies | $ 15,998 | $ 21,518
Less: Current portion of due to shareholders of acquired companies | 8,126 | 11,523
Due to shareholders of acquired companies, less current portion | 7,872 | 9,995
Universidade Anhembi Morumbi (UAM Brazil) |  |
Business Acquisition [Line Items] |  |
Total due to shareholders of acquired companies | 15,814 | 20,179
IADE Group |  |
Business Acquisition [Line Items] |  |
Total due to shareholders of acquired companies | 184 | 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% |

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