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Share-based Compensation and Incentive Plans (Summary of Stock Option Activity) (Details) - Stock Options - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Beginning outstanding number of shares (in shares)	1,218,508
Granted, number of shares (in shares)	0	0	0
Exercised, number of shares (in shares)	(414,108)
Forfeited, number of shares (in shares)	0
Expired, number of shares (in shares)	(187,053)
Ending outstanding number of shares (in shares)	617,347	1,218,508
Exercisable, number of shares (in shares)	617,347
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Beginning outstanding, weighted average exercise price per share (usd per share)	$ 28.02
Granted, weighted average exercise price per share (usd per share)	0
Exercised, weighted average exercise price per share (usd per share)	29.77
Forfeited, weighted average exercise price per share (usd per share)	0
Expired, weighted average exercise price per share (usd per share)	36.70
Ending outstanding weighted average exercise price per share (usd per share)	24.27	$ 28.02
Exercisable, Weighted Average Exercise Price per Share (usd per share)	$ 24.19
Weighted Average Remaining Contractual Term (years)	2 years 2 months 4 days	2 years 4 months 2 days
Exercisable, weighted average remaining contractual term (years)	2 years 2 months 4 days
Aggregate intrinsic value, beginning balance	$ 580
Aggregate intrinsic value, ending balance	1,450	$ 580
Exercisable, aggregate intrinsic value	$ 1,450

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Net number of share options (or share units) granted during the period.

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

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

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

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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