Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Mar. 31, 2018 |
Mar. 31, 2017 |
Dec. 31, 2017 |
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| Income Tax Disclosure [Abstract] | |||
| Liability for unrecognized tax | $ 5,800 | $ 5,400 | |
| Accrued interest and penalties applied to uncertain tax positions | 2,200 | $ 2,100 | |
| Income tax expense (benefit) | $ 1,604 | $ 2,342 | |
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- References No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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