Income Taxes - Schedule of Reconciliation of Income Tax Expense (Detail) - USD ($) $ in Thousands |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Income Tax Disclosure [Abstract] | ||||||
| (Loss) income before income taxes | $ 44,190 | $ (49,975) | $ (50,339) | $ (39,118) | $ 22,272 | $ (15,231) |
| PRC tax rate | 25.00% | 25.00% | 25.00% | 25.00% | 25.00% | 25.00% |
| Tax benefit (tax expense) at PRC tax rate on income (loss) before income tax | $ (11,048) | $ 12,494 | $ 12,584 | $ 9,780 | $ (5,568) | $ 3,808 |
| Effect of difference between Hong Kong and PRC tax rates applied to Hong Kong income | 9 | (5) | (13) | (1,373) | (195) | (192) |
| Change in valuation allowance | (624) | (373) | (443) | (11,067) | 209 | 870 |
| Non-deductible and non-taxable items | (5,029) | (14,475) | (15,664) | (12,329) | (1,343) | (2,311) |
| Others | 1,648 | 1,886 | 1,011 | 674 | 318 | (135) |
| Total | $ (15,044) | $ (473) | $ (2,525) | $ (14,315) | $ (6,579) | $ 2,040 |
| X | ||||||||||
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses or income that is exempt from income taxes under enacted tax laws. No definition available.
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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/exampleRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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