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Stock-Based Compensation - Range of exercise prices (Details) - $ / shares shares in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |
Number of outstanding options | 691 |  |
Weighted-average exercise price of outstanding options | $ 202.24 |  |
Weighted-average remaining contractual life of options outstanding | 6 years 8 months 12 days |  |
Number of options exercisable | 331 | 500 | 700
Weighted-average exercise price of exercisable options | $ 162.09 | $ 154.16 | $ 134.94
Range $88.71 to $194.25 [Member] |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |
Number of outstanding options | 232 |  |
Weighted-average exercise price of outstanding options | $ 135.77 |  |
Weighted-average remaining contractual life of options outstanding | 4 years 3 months 18 days |  |
Number of options exercisable | 213 |  |
Weighted-average exercise price of exercisable options | $ 133.11 |  |
Range $194.26 to $224.37 [Member] |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |
Number of outstanding options | 232 |  |
Weighted-average exercise price of outstanding options | $ 206.51 |  |
Weighted-average remaining contractual life of options outstanding | 7 years 4 months 24 days |  |
Number of options exercisable | 84 |  |
Weighted-average exercise price of exercisable options | $ 204.73 |  |
Range $224.38 to $371.64 [Member] |  |  |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |  |  |
Number of outstanding options | 227 |  |
Weighted-average exercise price of outstanding options | $ 265.81 |  |
Weighted-average remaining contractual life of options outstanding | 8 years 4 months 24 days |  |
Number of options exercisable | 34 |  |
Weighted-average exercise price of exercisable options | $ 237.24 |  |

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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + 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 (c)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + 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 (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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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. + 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. + 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 (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. + 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 (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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