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Leases - Narrative (Details) - 12 months ended Sep. 30, 2020 $ in Thousands	USD ($) location	campus	location	USD ($)
Lessee, Lease, Description [Line Items]
Number of lease contracts | location	10
Number of campuses		12	12
Rent expense includes rent paid to related parties	$ 2,000
Operating lease payments due				$ 192,815
Minimum Annual Rent Increase	4.00%
John C. White, Property One
Lessee, Lease, Description [Line Items]
Operating lease payments due				300
John C. White, Property Two
Lessee, Lease, Description [Line Items]
Operating lease payments due				$ 700
Minimum
Lessee, Lease, Description [Line Items]
Lease term	8 years
Maximum
Lessee, Lease, Description [Line Items]
Lease term	20 years

X

- 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

Amount of lessee's undiscounted obligation for lease payment for operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980

+ Details

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X

- 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=121609121&loc=SL77918673-209980

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- Definition

Lessee, Operating Lease, Number Of Contracts

+ References

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- Definition

Minimum annual rent increase.

+ References

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- Definition

Number of campuses.

+ References

No definition available.

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X

- Definition

Operating leases rent expense paid to related parties.

+ References

No definition available.

+ Details

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