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Goodwill and Other Intangible Assets - Schedule of Net Book Value of Other Intangible Assets (Detail) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Intangible Assets Net Excluding Goodwill [Line Items] |  |
Net book value, non-amortizable intangible assets | $ 7,900 | $ 7,900
Accreditation Rights [Member] |  |
Intangible Assets Net Excluding Goodwill [Line Items] |  |
Net book value, non-amortizable intangible assets | 1,000 | 1,000
CTU Trade Name [Member] |  |
Intangible Assets Net Excluding Goodwill [Line Items] |  |
Net book value, non-amortizable intangible assets | $ 6,900 | $ 6,900

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- Definition Intangible assets net excluding goodwill. + References No definition available. + Details
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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