Share-Based Compensation - Schedule of Share Based Compensation Stock Options Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Stock Options, Shares:
Outstanding Beginning Shares	192,000	464,000	988,000
Exercised Shares	(187)	(272,000)	(524,000)
Outstanding Ending Shares	5	192,000	464,000
Weighted Average Exercise Price:
Outstanding Beginning Weighted Average Exercise Price	$ 23.32	$ 24.37	$ 23.47
Exercised Weighted Average Exercise Price	23.19	25.11	22.68
Outstanding Ending Weighted Average Exercise Price	$ 27.92	$ 23.32	$ 24.37
Weighted Average Remaining Contractual Term:
Outstanding Weighted Average Remaining Contractual Term	4 months 24 days
Aggregate Intrinsic Value :
Outstanding Aggregate Intrinsic Value	$ 409	$ 9,059	$ 14,849	$ 8,693
Exercised Aggregate Intrinsic Value	$ 10,631	$ 8,278	$ 10,600

Share based compensation arrangement by share based payment award options aggregate intrinsic value.

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- Definition

Share-based compensation arrangement by share-based payment award options exercised intrinsic value.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award options weighted average remaining contractual term.

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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- Definition

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

+ References

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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.

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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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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

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