Summary of Unrecognized Tax Benefits (Detail) $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2018
USD ($)
| |
| Income Tax Disclosure [Abstract] | |
| Balance at January 1, 2018 | $ 568 |
| Additions for tax positions related to the prior year | 0 |
| Lapse of statute of limitations | 0 |
| Balance at December 31, 2018 | $ 568 |
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- References No definition available.
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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