Accounting Policies - Property and Equipment (Details)
|
12 Months Ended |
Dec. 31, 2016 |
|---|
| Machinery and equipment | Minimum |
|
| Property, Plant and Equipment [Line Items] |
|
| Property, plant and equipment, useful life |
3 years
|
| Machinery and equipment | Maximum |
|
| Property, Plant and Equipment [Line Items] |
|
| Property, plant and equipment, useful life |
10 years
|
| Furniture and fixtures | Minimum |
|
| Property, Plant and Equipment [Line Items] |
|
| Property, plant and equipment, useful life |
3 years
|
| Furniture and fixtures | Maximum |
|
| Property, Plant and Equipment [Line Items] |
|
| Property, plant and equipment, useful life |
10 years
|
| Building and building improvements | Minimum |
|
| Property, Plant and Equipment [Line Items] |
|
| Property, plant and equipment, useful life |
5 years
|
| Building and building improvements | Maximum |
|
| Property, Plant and Equipment [Line Items] |
|
| Property, plant and equipment, useful life |
40 years
|