Stock Based Compensation - Summary of Restricted Stock Activity (Details)	9 Months Ended
Sep. 30, 2021 $ / shares shares
Restricted Stock
Number of shares
Beginning balance (in shares) \| shares	291,891
Granted (in shares) \| shares	345,416
Vested (in shares) \| shares	(111,646)
Forfeited (in shares) \| shares	(32,885)
Ending balance (in shares) \| shares	492,776
Weighted average price
Beginning balance (in dollars per share) \| $ / shares	$ 23.82
Granted (in dollars per share) \| $ / shares	47.92
Vested (in dollars per share) \| $ / shares	23.28
Forfeited (in dollars per share) \| $ / shares	35.23
Ending balance (in dollars per share) \| $ / shares	$ 40.08
Performance Shares
Number of shares
Beginning balance (in shares) \| shares	0
Granted (in shares) \| shares	356,548
Vested (in shares) \| shares	0
Forfeited (in shares) \| shares	0
Ending balance (in shares) \| shares	356,548
Weighted average price
Beginning balance (in dollars per share) \| $ / shares	$ 0
Granted (in dollars per share) \| $ / shares	44.87
Vested (in dollars per share) \| $ / shares	0
Forfeited (in dollars per share) \| $ / shares	0
Ending balance (in dollars per share) \| $ / shares	$ 44.87

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
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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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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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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.

+ References

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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.

+ References

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-Publisher FASB
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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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