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Commitments and Contingencies (Detail) | Nov. 25, 2019 | Jul. 16, 2019 individual | Apr. 04, 2019 individual | Apr. 03, 2019 class | Mar. 29, 2019 class | Jan. 03, 2019 individual | Jan. 02, 2019 individual item | Aug. 09, 2018 individual | Jun. 27, 2018 individual | May 08, 2018 individual | Apr. 13, 2018 class | Nov. 28, 2016 individual state | Oct. 28, 2016 individual state | Oct. 14, 2016 state individual | Mar. 31, 2020 lawsuit | Jun. 14, 2019 lawsuit | Dec. 10, 2018 lawsuit
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Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits | lawsuit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
Number of arbitrations | lawsuit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 |
Number Of Arbitrations Answered | lawsuit |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22 |  |
Petrizzo and Jara Case [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other individuals filed lawsuit |  |  |  |  |  |  |  |  |  |  |  | 38 |  |  |  |  |
Number of different states involved in lawsuit | state |  |  |  |  |  |  |  |  |  |  |  | 15 |  |  |  |  |
Number of individual state specific putative class | state |  |  |  |  |  |  |  |  |  |  |  | 15 |  |  |  |  |
Petrizzo Case [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other individuals filed lawsuit |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 |  |  |
Number of different states involved in lawsuit | state |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 |  |  |
Jara Case [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other individuals filed lawsuit |  |  |  |  |  |  |  |  |  |  |  |  | 11 |  |  |  |
Number of different states involved in lawsuit | state |  |  |  |  |  |  |  |  |  |  |  |  | 10 |  |  |  |
Nicole Versetto [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other individuals filed lawsuit | class |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |
Carlson Case [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other individuals filed lawsuit |  | 102 |  |  |  |  | 13 |  | 32 | 71 |  |  |  |  |  |  |
Number of groups plaintiffs motions to dismiss | item |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |  |  |
Number of other individuals to whom notice has been sent |  |  | 105 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of graduates obtained job in field of study |  |  | 90.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stoltmann Case [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other individuals filed lawsuit |  |  |  |  |  |  |  | 399 |  |  |  |  |  |  |  |  |
Number Of Individuals to File Second Amended Claim |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |
Robby Brown Case [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other individuals filed lawsuit | class |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |
T Lani Robinson Case [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of other individuals filed lawsuit | class |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |
T Lani Robinson Case [Member] | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Period of filling of class action complaint from date of order | 14 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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