Restructure - Summary of Restructuring Costs (Detail) $ in Thousands |
6 Months Ended |
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Jun. 30, 2017
USD ($)
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| Restructuring And Related Activities [Abstract] | |
| Restructuring Costs, Original estimated costs | $ 2,206 |
| Restructuring Costs, Revision to estimated costs | (107) |
| Restructuring Costs, Amounts settled to date | (2,071) |
| Restructuring Costs, Accrued at June 30,2017 | $ 28 |
| X | ||||||||||
- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of expected cost remaining for the specified restructuring cost. No definition available.
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| X | ||||||||||
- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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