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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 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

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Stock-Based Compensation - Valuation Assumptions (Details) - Stock options - $ / shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Valuation Assumptions
Risk-free interest rate	1.07%
Expected term (in years)	6 years		6 years
Volatility	45.00%		45.00%
Dividend yield	0.00%		0.00%
Granted (in shares)		0		0
Weighted-average
Valuation Assumptions
Weighted-average estimated fair value of shares granted (in dollars per share)	$ 5.80		$ 5.61
Minimum
Valuation Assumptions
Risk-free interest rate			1.07%
Maximum
Valuation Assumptions
Risk-free interest rate			1.13%