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Commitments and Contingencies (Detail) | Mar. 12, 2021 USD ($) | Jan. 19, 2021 USD ($) plaintiff | Jul. 16, 2019 individual | Apr. 04, 2019 individual | Jan. 02, 2019 individual item | Jun. 27, 2018 individual | Apr. 13, 2018 class | Jan. 25, 2018 individual | Mar. 31, 2021 USD ($) plaintiff | Jan. 31, 2021 plaintiff | Jan. 04, 2021 plaintiff | Dec. 31, 2020 plaintiff | Dec. 09, 2020 plaintiff | Oct. 14, 2020 plaintiff | Jun. 30, 2020 USD ($) | Feb. 07, 2020 lawsuit | Jun. 07, 2019 plaintiff | Dec. 10, 2018 lawsuit | May 08, 2018 plaintiff
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Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits | lawsuit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |
Nicole Versetto [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other individuals filed lawsuit | class |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency accrual | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 44,950,000 |  |  |  |
Nicole Versetto [Member] | Prepaid Expenses and Other Current Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement fund | $ |  |  |  |  |  |  |  |  | $ 44,950,000 |  |  |  |  |  | $ 44,950,000 |  |  |  |
Carlson Case [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other individuals filed lawsuit | individual |  |  |  |  | 13 | 32 |  | 71 |  |  |  |  |  |  |  |  |  |  |
Number of groups plaintiffs motions to dismiss | item |  |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of plaintiffs dismissed |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  | 3 |  | 6
Number of plaintiffs, added |  |  |  |  |  |  |  |  |  | 12 |  |  |  |  |  |  |  |  | 2
Number of Plaintiffs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 109 |  |
Lawsuit In United States District Court for the Western District of Texas |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of plaintiffs dismissed |  |  |  |  |  |  |  |  |  |  |  | 107 |  |  |  |  |  |  |
Number of plaintiffs, unsettled |  |  |  |  |  |  |  |  |  |  | 2 |  |  | 1 |  |  |  |  |
Number of Plaintiffs |  |  |  |  |  |  |  |  |  |  |  | 109 |  |  |  |  |  |  |
Number of plaintiffs, council moved to withdraw |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |
Lawsuit In United States District Court for the Northern District of California |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of plaintiffs dismissed |  |  |  |  |  |  |  |  |  |  |  | 108 |  |  |  |  |  |  |
Number of plaintiffs, unsettled |  | 4 |  |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |
Number of Plaintiffs |  |  |  |  |  |  |  |  | 3 |  |  | 112 |  |  |  |  |  |  |
Number Of Plaintiffs, Agreed To Settle |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of plaintiffs, council moved to withdraw |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |
Alvarez Case [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other individuals filed lawsuit | individual |  |  | 102 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other individuals to whom notice has been sent | individual |  |  |  | 105 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of graduates obtained job in field of study |  |  |  | 90.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Complaint 2017 And 2018 Case [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Qui Tam False Claims Act Actions Filed | lawsuit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |
Lawsuit in United States District Court for Northern District of Ohio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency sought value | $ |  | $ 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
John Doe Plaintiff Case |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency sought value | $ | $ 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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