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Leases Supplemental Lease Information (Details)	Dec. 31, 2019
Supplemental Lease Information [Line Items]
Weighted average remaining lease term, operating leases	6 years
Weighted average remaining lease term, finance leases	2 years
Weighted average discount rate, operating leases	3.40%
Weighted average discount rate, finance leases	2.10%	[1]
[1] Prior to adoption of ASU 2016-02, our historical capital lease liabilities and assets were measured using an un-discounted cash flow stream due to immateriality of the capital lease population.

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- Definition

[Line Items] for Supplemental information about operating anf finance leases, including weighted average remaining lease term and weighted average discount rates.

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Weighted average discount rate for finance lease calculated at point in time.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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-Publisher FASB
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-Publisher FASB
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-SubTopic 20
-Section 50
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-Subparagraph (g)(4)
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Weighted average remaining lease term for 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/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

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