Stock-Based Compensation Status of Outstanding Stock Options (Details)	12 Months Ended
Dec. 31, 2021 $ / shares shares
Statusof Stock Options [Abstract]
Outstanding as of January 1, 2021 \| shares	19,845
Exercised \| shares	(19,032)
Outstanding as of December 31, 2021 \| shares	813
Outstanding as of January 1, 2021 \| $ / shares	$ 77.83
Exercised \| $ / shares	77.67
Outstanding as of December 31, 2021 \| $ / shares	$ 81.41

Status of Stock Options [Abstract]

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- 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
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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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.

+ References

No definition available.

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- Definition

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 505
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