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Leases - Additional Information (Detail) | 3 Months Ended
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Mar. 31, 2019
Lessee Lease Description [Line Items] |
Operating lease, description | The Company has operating leases for office, manufacturing and research and development facilities, as well as leases for the ground with which certain manufacturing facilities sit atop. We also have operating leases for office equipment and automobiles.
Operating lease, existence of option to extend | true
Operating lease, options to extend | Excluding ground leases, our leases have remaining lease terms ranging from 1 year to 8 years and may include options to extend the lease for an additional term equal to the original term of the lease.
Minimum |
Lessee Lease Description [Line Items] |
Operating lease, term of contract | 1 year
Minimum | Ground |
Lessee Lease Description [Line Items] |
Operating lease, term of contract | 30 years
Maximum |
Lessee Lease Description [Line Items] |
Operating lease, term of contract | 8 years
Maximum | Ground |
Lessee Lease Description [Line Items] |
Operating lease, term of contract | 45 years

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- Definition Description of lessee's 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 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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- Definition Indicates (true false) whether lessee has option to extend 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 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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- Definition Description of terms and conditions of option to extend lessee's operating lease. Includes, but is not limited to, information about option recognized as part of right-of-use asset and lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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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