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Equity Plans - Restricted Stock Units - (Details) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($) $ / shares shares
Restricted stock units
Number of Shares
Number of shares, Unvested, Beginning balance | shares	405,972
Number of shares, Granted | shares	312,550
Number of shares, Vested | shares	(104,712)
Number of Shares, Forfeited | shares	(7,000)
Number of shares, Unvested, Ending balance | shares	606,810
Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Unvested, Beginning balance | $ / shares	$ 20.13
Weighted-Average Grant Date Fair Value, Granted | $ / shares	28.73
Weighted-Average Grant Date Fair Value, Vested | $ / shares	14.73
Weighted-Average Grant Date Fair Value, Forfeited | $ / shares	28.73
Weighted-Average Grant Date Fair Value, Unvested, Ending balance | $ / shares	$ 24.61
Performance Stock Units
Number of Shares
Number of shares, Unvested, Beginning balance | shares	105,500
Number of shares, Unvested, Ending balance | shares	105,500
Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Unvested, Beginning balance | $ / shares	$ 23.57
Weighted-Average Grant Date Fair Value, Unvested, Ending balance | $ / shares	$ 23.57
Aggregate fair value of restricted stock units that vested | $	$ 2.5

X

- Definition

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

+ References

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-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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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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The weighted average fair value at grant date for nonvested equity-based awards issued 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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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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