Stockholders' Equity - Black-Scholes Assumptions for Options Granted (Details) - Employee Stock Option	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Stockholders' Equity
Expected Volatility Rate, Minimum	29.49%	24.26%
Expected Volatility Rate, Maximum	82.99%	28.79%
Expected Dividend Yield	0.00%	0.00%
Risk-Free Interest Rate, Minimum	0.24%	0.16%
Risk-Free Interest Rate, Maximum	0.52%	1.60%
Minimum
Stockholders' Equity
Expected Life (in years)	2 years 6 months	2 years 6 months
Maximum
Stockholders' Equity
Expected Life (in years)	3 years 3 months	3 years 6 months

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.

+ References

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.

+ References

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.

+ References

No definition available.

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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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No definition available.

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- Definition

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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- 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.

+ References

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