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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Income Tax Contingency [Line Items] |  |  |  |  |
Income tax expense (benefit) | $ 3,461 | $ 3,133 | $ 8,346 | $ 5,743 |
Deferred tax asset, valuation allowance | 64,500 |  | 64,500 |  | $ 62,900
Additional deferred tax asset, valuation allowance | 100 | $ 5,400 | 1,700 |  |
Deferred tax liabilities | 13,600 |  | 13,600 |  | 14,900
Deferred income tax asset after valuation allowance | 11,500 |  | 11,500 |  | $ 9,900
Reporting Entities [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Additional deferred tax asset, valuation allowance | 1,400 |  | 3,000 |  |
IMAX China |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Additional deferred tax asset, valuation allowance | $ 1,300 |  | $ 1,300 |  |

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