Leases - Additional Information (Detail) $ in Millions	Jun. 30, 2020 USD ($) ft²
Lessee, Lease, Description [Line Items]
Current portion of operating lease liabilities	$ 19.1
Canonsburg Office, New Company Headquarters
Lessee, Lease, Description [Line Items]
Area of real estate property \| ft²	186,000
Period of leased property	183 months
Base rent through 2024	$ 4.5
Base rent 2025-2029	$ 4.7

Operating Leases, Base Rent, Years Eleven Through Fifteen

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- Definition

Operating Leases, Base Rent, Years Six Through Ten

+ References

No definition available.

+ Details

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- Definition

Area of a real estate property.

+ 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, 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

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977

+ Details

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