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Acquisitions (Additional Information) (Details) $ in Thousands |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Aug. 12, 2021 USD ($) item | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Jun. 30, 2021 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |
Payments to acquire business |  |  |  | $ 1,488,054 | $ 0 |
Long-term debt, gross |  | $ 1,650,000 | $ 292,500 | 1,650,000 | 292,500 | $ 1,091,000
Senior Secured Notes Due 2028 [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Long-term debt, gross |  | 800,000 | 0 | 800,000 | 0 | $ 800,000
Walden University, LLC [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Percentage of voting interests acquired | 100.00% |  |  |  |  |
Payments to acquire business | $ 1,488,100 |  |  |  |  |
Cash acquired from acquisition | $ 83,400 |  |  |  |  |
Minimum number of courses offered | item | 100 |  |  |  |  |
Revenue |  | 140,600 |  | 209,200 |  |
Net loss |  | $ 1,800 |  | 10,500 |  |
Acquisition costs |  |  | $ 5,800 | $ 22,300 | $ 14,400 |
Intangible assets | $ 833,351 |  |  |  |  |
Walden University, LLC [Member] | Term Loan B |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Long-term debt, gross | 850,000 |  |  |  |  |
Walden University, LLC [Member] | Senior Secured Notes Due 2028 [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Long-term debt, gross | 800,000 |  |  |  |  |
Walden University, LLC [Member] | Trade Name [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Intangible assets | 119,600 |  |  |  |  |
Walden University, LLC [Member] | Walden Title IV eligibility and accreditations [Member] |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Intangible assets, indefinite lived | $ 495,800 |  |  |  |  |

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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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