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Nature of Business (Details) $ in Thousands | Jan. 22, 2019 USD ($) | Sep. 30, 2019 Institution | Sep. 30, 2019
--- | --- | --- | ---
Nature Of Operations [Line Items] |  |  |
Number of colleges in Phoenix, Arizona |  | 9 |
Number of university partners |  | 21 | 21
Orbis Education |  |  |
Nature Of Operations [Line Items] |  |  |
Purchase price | $ | $ 361,184 |  |
Orbis Education |  |  |
Nature Of Operations [Line Items] |  |  |
Number of university partners |  | 21 |

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