Share-Based Compensation - Valuation Assumptions (Details) - Stock Options	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Valuation Assumptions
Expected volatility - minimum	76.00%	79.00%
Expected volatility - maximum	78.00%	84.00%
Weighted Average volatility	76.00%	81.00%
Expected dividend yield	0.00%	0.00%
Risk-free interest rate - minimum	1.62%	0.63%
Risk-free interest rate - maximum	2.90%	1.16%
Minimum
Valuation Assumptions
Expected term (in years)	6 years	6 years
Maximum
Valuation Assumptions
Expected term (in years)	6 years	6 years

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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- Definition

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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No definition available.

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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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No definition available.

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- Definition

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

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No definition available.

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- Definition

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

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- Definition

Rate of weighted-average expected volatility for award under share-based payment arrangement.

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- Definition

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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