Stock Compensation - Option activity under the 2010 stock plan (Details) - Share-based Payment Arrangement, Option - $ / shares	9 Months Ended
Sep. 30, 2022	Dec. 31, 2021
Option Activity Shares
Outstanding at the beginning of the period (in shares)	12,763,460
Options granted (in shares)	1,755,963
Options exercised (in shares)	(477,371)
Options cancelled (in shares)	(989,465)
Outstanding at the end of the period (in shares)	13,052,587
Stock Options Weighted Average Price
Exercise prices of options outstanding (in USD per share)	$ 87.41	$ 88.39
Granted (in USD per share)	75.32
Exercised (in USD per share)	66.69
Cancelled (in USD per share)	$ 88.60

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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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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.

+ References

No definition available.

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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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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 that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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