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Taxation - Summary of Aggregate Amount and Per Share Effect of Tax Holiday (Detail) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Taxation |  |  |
Aggregate dollar effect (In thousands) | $ (197) | $ (3,856) | $ (3,776)
Per share effect-basic | $ 0.00 | $ (0.01) | $ (0.01)
Per share effect-diluted | $ 0.00 | $ (0.01) | $ (0.01)

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- References No definition available. + Details
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- Definition The amount of income taxes from which a reporting entity is exempt or for which it will receive a reduction in income taxes as a result of the income tax holiday granted by the taxing jurisdiction. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 11.C) -URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330215-122817 + Details
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- Definition Income Tax Holiday, Income Tax Benefits Per Share Basic + References No definition available. + Details
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- Definition Income Tax Holiday, Income Tax Benefits Per Share Diluted + References No definition available. + Details
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