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Equity Plans - Restricted Stock Units - (Details) - $ / shares	3 Months Ended	9 Months Ended
	Mar. 31, 2021	Sep. 30, 2021
Restricted stock units
Number of Shares
Number of shares, Unvested, Beginning balance	244,545	244,545
Number of shares, Granted		302,250
Number of shares, Vested		(78,165)
Number of Shares, Forfeited		(49,970)
Number of shares, Unvested, Ending balance		418,660
Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Unvested, Beginning balance	$ 9.31	$ 9.31
Weighted-Average Grant Date Fair Value, Granted		24.40
Weighted-Average Grant Date Fair Value, Vested		10.13
Weighted-Average Grant Date Fair Value, Forfeited		18.86
Weighted-Average Grant Date Fair Value, Unvested, Ending balance		$ 20.07
Performance Stock Units
Number of Shares
Number of shares, Granted	110,500	110,500
Number of Shares, Forfeited		(5,000)
Number of shares, Unvested, Ending balance		105,500
Weighted-Average Grant Date Fair Value
Weighted-Average Grant Date Fair Value, Granted		$ 23.57
Weighted-Average Grant Date Fair Value, Unvested, Ending balance		$ 23.57

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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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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.

+ References

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- Definition

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).

+ References

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- Definition

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).

+ References

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- Definition

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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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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