Fair Value Measurements - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2014 |
Sep. 30, 2017 |
Sep. 30, 2016 |
Jun. 30, 2014 |
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| Long Lived Assets Held-for-sale [Line Items] | ||||
| Loss on disposal of property and equipment | $ 14 | $ (21) | ||
| Mundelein Facility | Level II | ||||
| Long Lived Assets Held-for-sale [Line Items] | ||||
| Asset held-for-sale book value | $ 3,600 | |||
| Loss on disposal of property and equipment | $ 2,200 | |||
| Asset held-for-sale at fair value | $ 1,400 | |||
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- Definition Fair value portion of assets classified as held for sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. No definition available.
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- Definition Fair value portion of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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