| **Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Millions** | 12 Months Ended |
|----------------------------------------------------------------------------------------|-----------------|
||
| **Goodwill [Line Items]**                                                              |            |   |   |
| Amortization of intangible assets                                                      | $ 3.4           | $ 3.6 | $ 3.7 |
| Technology related                                                                     |            |   |   |
| **Goodwill [Line Items]**                                                              |            |   |   |
| Finite-lived intangible asset, useful life                                             | 15 years        |   |   |
| Customer related                                                                       |            |   |   |
| **Goodwill [Line Items]**                                                              |            |   |   |
| Finite-lived intangible asset, useful life                                             | 13 years        |   |   |
| Permits and licenses                                                                   |            |   |   |
| **Goodwill [Line Items]**                                                              |            |   |   |
| Finite-lived intangible asset, useful life                                             | 3 years         |   |   |

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| - Definition
The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.
+ References
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| - Definition
Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
+ References
No definition available.
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| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
+ References
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