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v3.19.3.a.u2

Summary of Significant Accounting Policies - Property, Plant and Equipment (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Jan. 30, 2015
Impairment of Long-Lived Assets |  |  |  |
Impairment of long-lived assets | $ 0.0 | $ 0.0 | $ 0.0 |
Minimum |  |  |  |
Property, plant and equipment |  |  |  |
Lease term | 1 year |  |  |
Maximum |  |  |  |
Property, plant and equipment |  |  |  |
Lease term | 10 years |  |  |
Machinery and equipment | Minimum |  |  |  |
Property, plant and equipment |  |  |  |
Useful life | 3 years |  |  |
Machinery and equipment | Maximum |  |  |  |
Property, plant and equipment |  |  |  |
Useful life | 10 years |  |  |
Beverly Property Owner LLC | Land and buildings | Sale leaseback obligation |  |  |  |
Property, plant and equipment |  |  |  |
Lease term |  |  |  | 22 years
Beverly Property Owner LLC | Buildings | Sale leaseback obligation |  |  |  |
Property, plant and equipment |  |  |  |
Lease term |  |  |  | 22 years

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