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Restructuring Charges - Additional Information (Detail) $ in Thousands | 3 Months Ended | 9 Months Ended | 45 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2018 USD ($) Cmp | Sep. 30, 2018 USD ($) Cmp | Sep. 30, 2018 USD ($) Cmp | Dec. 31, 2017 USD ($)
Restructuring And Related Activities [Abstract] |  |  |  |
Number of remaining campuses expected to cease operations | Cmp | 2 | 2 | 2 |
Severance and related costs | $ 1,898 | $ 1,898 |  |
Accrual for severance and related charges | 2,300 | 2,300 | $ 2,300 | $ 2,100
Accrued retention bonuses | $ 300 | $ 300 | 300 | $ 500
Charges related to remaining obligations for continuing operations |  |  | $ 75,600 |

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- Definition Number of Remaining Campuses Expected to Cease Operations . + References No definition available. + Details
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- Definition For continuing operations and discontinuing operations under restructuring activities, the present value of remaining lease obligations recorded at the time a facility is exited. + References No definition available. + Details
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- Definition The amount of retention bonus accrued for as of the balance sheet date as part of restructuring actions that is due to paid within one year of the balance sheet date. + References No definition available. + Details
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- Definition The amount of severance related costs expected to be paid in the next fiscal year related to restructuring actions. + References No definition available. + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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