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Fair Value Measurements Fair Value Measurements, Narrative (Details) | 3 Months Ended
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Mar. 31, 2016
Maximum |
Schedule of Available-for-sale Securities [Line Items] |
Short-term investment maturity period | 2 months

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- Definition Short-Term Investment Maturity Period + References No definition available. + Details
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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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