Fair Value Remeasurement Based on Significant Inputs Not Observable (Parenthetical) (Detail) - USD ($) $ in Millions |
6 Months Ended | 12 Months Ended | ||
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Jun. 30, 2017 |
Dec. 31, 2016 |
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Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||||
Fair value of liabilities settlements | [1] | $ 0.8 | ||
Cash | ||||
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||||
Fair value of liabilities settlements | 0.1 | $ 0.9 | ||
Common Stock | ||||
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||||
Fair value of liabilities settlements | 0.3 | 0.6 | ||
Cash and Cash Equivalents | ||||
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||||
Fair value of liabilities settlements | $ 0.2 | $ 1.5 | ||
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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 Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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