Stock-Based Compensation - Narrative (Details) - shares	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Stock options and assumed options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options exercised (in shares)	25,242	63,083	39,262	136,258
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units granted (in shares)	433,881	307,880	590,424	435,096
Restricted stock units vested (in shares)	179,998	173,553	237,495	242,923
Performance-Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units granted (in shares)	0	120,314	71,934	120,314
Restricted stock units vested (in shares)	0	0	0	20,000
2015 Equity Incentive Plan \| Stock options and assumed options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted (in shares)	95,000	133,700	95,000	133,700

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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

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Number of share options (or share units) exercised during the current period.

+ References

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