v3.5.0.2

Commitments and Contingencies - Environmental Laws and Regulations - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2015
Minimum [Member] | Natrium West Virginia And Lake Charles South Facility [Member] |
Loss Contingencies [Line Items] |
Period during which facilities are operational | 65 years

X
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Period Type: | duration

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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 No definition available. + Details
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- Details
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X
- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |