Significant Accounting Policies - PP&E (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2020 | |
| Buildings and improvements | Maximum | |
| Property, plant and equipment | |
| Estimated useful life | 40 years |
| Majority of estimated useful life | 40 years |
| Buildings and improvements | Minimum | |
| Property, plant and equipment | |
| Estimated useful life | 10 years |
| Majority of estimated useful life | 20 years |
| Machinery and equipment | Maximum | |
| Property, plant and equipment | |
| Estimated useful life | 15 years |
| Majority of estimated useful life | 10 years |
| Machinery and equipment | Minimum | |
| Property, plant and equipment | |
| Estimated useful life | 3 years |
| Majority of estimated useful life | 5 years |