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Income Taxes - Additional Information (Detail) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Tax Disclosure [Abstract] |  |  |  |
Deduction percentage of dividends received from distribution to earnings previously taxed | 100.00% |  |  |
Cash dividend declared from Philippines entities | $ 20,700,000 |  |  |
Additional income tax expense | $ 2,384,000 |  |  |
Increase in effective tax rate | 0.014 |  |  |
Tax loss carryforwards | $ 6,551,000 | $ 12,031,000 |  |
Tax credit carryforwards | 4,713,000 | 5,200,000 |  |
Capital loss carryforwards | 633,000 | 621,000 |  |
Valuation Allowance | 896,000 | 2,994,000 |  |
Unrecognized tax benefits | 4,735,000 | 3,273,000 | $ 168,000 | $ 1,927,000
Unrecognized tax benefits that, if recognized, would impact effective tax rates | 4,545,000 | 3,105,000 | 162,000 |
Net interest and penalty expense (income) | 31,000 | 19,000 | (26,000) |
Income tax liability for interest and penalties | $ 80,000 | $ 49,000 |  |
Unrecognized tax benefits from adjustments related to examination |  |  | 1,526,000 |
Income tax refund receivable |  |  | $ 1,326,000 |

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- Definition Unrecognized tax benefits reversed resulting from settlements with taxing authorities. + References No definition available. + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32632-109319 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319 + Details
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- Definition Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to increase (decrease) from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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