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Employee Benefit Plans - Stock Appreciation Right Activity (Details) - $ / shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Number
Exercised (in shares)	(27,550)	(15,965)
Stock Appreciation Rights (SARs) [Member]
Number
Outstanding (in shares)	55,000
Exercised (in shares)	(4,500)
Outstanding (in shares)	50,500
Weighted Average Exercisable Price
Weighted Average Exercisable Price, Outstanding (in dollars per share)	$ 18.21
Weighted Average Exercisable Price Exercised (in dollars per share)	18.12
Weighted Average Exercise Price, Outstanding (in dollars per share)	$ 18.21

X

- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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- Definition

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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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

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