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Stock Based Compensation - Fair Values of Award Granted Estimated Using Black-Scholes Valuation Model (Detail) - Time-Based and Performance-Based Awards - $ / shares	3 Months Ended	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2025	Jun. 30, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Risk-free interest rate, minimum (%)	3.92%	3.92%
Risk-free interest rate, maximum (%)	4.09%	4.40%
Risk-free interest rate (%)			4.20%
Expected option life (in years)			6 years
Volatility, minimum (%)	81.50%	81.50%
Volatility, maximum (%)	84.30%	84.30%
Volatility (%)			84.30%
Weighted average share price of the Company (USD per share)	$ 7.01	$ 7.32	$ 17.86
Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expected option life (in years)	5 years 3 months 7 days	5 years 3 months 7 days
Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expected option life (in years)	6 years 29 days	6 years 4 months 28 days

X

- Definition

Share based compensation arrangement by share based payment award weighted average share price.

+ References

No definition available.

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The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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The risk-free interest rate assumption that is used in valuing an option on its own shares.

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The maximum risk-free interest rate assumption that is used in valuing an option on its own shares.

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The minimum risk-free interest rate assumption that is used in valuing an option on its own shares.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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