Restructure - Summary of Restructuring Costs (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2017 |
Dec. 31, 2016 |
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| Restructuring and Related Activities [Abstract] | ||
| Restructuring Costs, Original estimated costs | $ 2,206 | $ 2,206 |
| Restructuring Costs, Revision to estimated costs | (98) | |
| Restructuring Costs, Amounts settled to date | (2,052) | (708) |
| Restructuring Costs, Accrued at end of period | $ 56 | $ 1,498 |
| 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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