Share-Based Compensation (Share-Based Compensation Shares Vesting During Year) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash paid for taxes upon vesting in lieu of issuing common shares	$ 13,069	$ 10,518	$ 12,162
Restricted Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of vested shares on vesting date	37,430	31,076	33,769
Cash paid for taxes upon vesting in lieu of issuing common shares	$ 13,069	$ 10,518	$ 12,162
Common shares issued upon vesting (in shares)	81,325	91,627	96,479

Common Stock Shares Issued Upon Vesting

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- Definition

Amount of cash paid to settle liability for award under share-based payment arrangement.

+ References

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 (d)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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