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Income Taxes - Additional Information (Detail) - USD ($) |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Dec. 27, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Effective tax rate |  | 38.50% | 50.10% | 31.30% | 21.20% |
U.S. Federal income tax rate |  | 21.00% | 21.00% | 21.00% | 21.00% |
Deferred tax assets, valuation allowance |  | $ 4,000,000 |  | $ 4,000,000 |  |
Operating loss carryforwards limitations |  |  |  | The foreign net operating losses generally have carryback periods of three years, carryforward periods of twenty years, or are indefinite, and begin to expire in 2034. |  |
Unrecognized tax benefits |  | 3,000,000 |  | $ 3,000,000 |  | $ 2,000,000
Income tax penalties and interest accrued |  | 1,000,000 |  | 1,000,000 |  | $ 1,000,000
Income tax interest expense |  |  |  | 0 | $ 0 |
Unrecognized tax benefits that would impact effective tax rate |  | 2,000,000 |  | 2,000,000 |  |
Effective income tax rate reconciliation, unrecognized tax benefits |  |  |  | 1,000,000 |  |
Tax adjustment |  |  |  | 1,000,000 |  |
Provision for percent deduction for business meal expenses purchased | 100.00% |  |  |  |  |
Domestic Tax Authority [Member] |  |  |  |  |  |
Operating loss carryforwards |  | 0 |  | 0 |  |
State and Local Jurisdiction [Member] |  |  |  |  |  |
Operating loss carryforwards |  | 15,000,000 |  | $ 15,000,000 |  |
Operating loss carryforwards limitations |  |  |  | The state net operating losses have carryforward periods of five to twenty years and begin to expire in 2024. |  |
Operating loss carryforwards expiration year |  |  |  | 2024 |  |
State and Local Jurisdiction [Member] | Minimum [Member] |  |  |  |  |  |
Operating loss carryforwards, carryforward term |  |  |  | 5 years |  |
State and Local Jurisdiction [Member] | Maximum [Member] |  |  |  |  |  |
Operating loss carryforwards, carryforward term |  |  |  | 20 years |  |
Foreign Tax Authority [Member] |  |  |  |  |  |
Operating loss carryforwards |  | $ 9,000,000 |  | $ 9,000,000 |  |
Operating loss carryforwards, carryforward term |  |  |  | 20 years |  |
Operating loss carryforwards expiration year |  |  |  | 2034 |  |
Operating loss carryback term |  |  |  | 3 years |  |

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