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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2019
Goodwill And Intangible Assets Disclosure [Abstract] |
Schedule of Net Book Value of Other Intangible Assets | As of December 31, 2019 and 2018, the net book value of other intangible assets are as follows (dollars in thousands):
|  | As of December 31, 2019 |  |  | As of December 31, 2018 |
Non-amortizable intangible assets: |  |  |  |  |  |  |  |
Accreditation rights |  | $ | 1,000 |  |  | $ | 1,000 |
CTU trade name |  |  | 6,900 |  |  |  | 6,900 |
Net book value, non-amortizable intangible assets: |  | $ | 7,900 |  |  | $ | 7,900 |

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