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Contingencies and Regulatory Matters (Details) $ in Thousands, £ in Millions | 6 Months Ended |
--- | --- | ---
Dec. 31, 2018 USD ($) | Jun. 30, 2019 USD ($) claim program_review | Jun. 30, 2019 GBP (£) claim program_review
Loss Contingencies [Line Items] |  |  |
Number of existing legal claims or proceedings that are likely to have a material effect on the Company's business | claim |  | 0 | 0
Deferred Charges and Other Assets | $ 117,830 | $ 142,146 |
Maximum [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Loss contingency, estimate of possible loss |  | $ 45,000 |
Sale of KHE Campuses business [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Loss on Guarantor Lease Obligations | $ 17,500 |  |
Education [Member] | Sale of KHE Campuses business [Member] | Higher Education [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Number of pending program reviews | program_review |  | 2 | 2
Her Majesty's Revenue and Customs (HMRC) [Member] | UK Pathways [Member] | Kaplan International [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Loss contingency, estimate of possible loss | £ |  |  | £ 16.8
Deferred Charges and Other Assets | £ |  |  | £ 16.8

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