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Leases - Narrative (Details) | 12 Months Ended
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Dec. 31, 2019
Leases [Abstract] |
Lessee, Operating Lease, Description | The Company has entered into leases for certain facilities, vehicles and other equipment. The Company’s leases consist mainly of operating leases which expire at various dates through 2036.
Lessee, Operating Lease, Variable Lease Payment, Terms and Conditions | Variable lease payments are generally expensed as incurred and include certain index-based changes in rent, certain nonlease components, such as maintenance and other services provided by the lessor, and other charges included in the lease.

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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 Description of basis, terms, and conditions on which variable lease payment for lessee's operating lease is determined. + 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)(2) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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