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Leases - Additional Information (Detail) $ in Thousands | 3 Months Ended
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Mar. 31, 2019 USD ($) Lease Facility
Lessee Lease Description [Line Items] |  |
Operating leases expiration date | 2028 |
Number of subleases | 14 |
Number of facilities leased | Facility | 9 |
Sublease income | $ | $ 1,108 | [1]
Number of leases related to ongoing operations | 9 |
Number of remaining leases related to Closed campuses | 11 |
Minimum [Member] |  |
Lessee Lease Description [Line Items] |  |
Lease term range, years | 5 years |
Number of renewal options for extended terms | 1 year |
Operating sublease term | 2 years |
Maximum [Member] |  |
Lessee Lease Description [Line Items] |  |
Lease term range, years | 10 years |
Number of renewal options for extended terms | 4 years |
Operating sublease term | 6 years |
[1] | Lease expense and sublease income represent the amount recorded within our unaudited condensed consolidated statement of income and comprehensive income. Variable lease amounts represent expenses recognized as incurred which are not included in the lease liability. Fixed lease expenses and sublease income are recorded on a straight-line basis over the lease term and therefore are not necessarily representative of cash payments during the same period.

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- Definition Lessee, operating sublease, term of contract. + References No definition available. + Details
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- Definition The number of leased facilities which have a sublease tenant. + References No definition available. + Details
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- Definition Number of leases related to closed campuses. + References No definition available. + Details
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- Definition Number of leases related to ongoing operations. + References No definition available. + Details
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- Definition Number of subleases. + References No definition available. + Details
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- Definition The year at which the latest operating lease expires as of the balance sheet date. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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- Definition Amount of sublease income excluding finance and operating lease expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 + Details
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- Details
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- Details
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