Accounting for Stock-based Compensation - Stock Options Outstanding by Exercise Price Range (Details)	12 Months Ended
Dec. 31, 2021 $ / shares shares
Price Range 1
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Range of Exercise Prices, Lower range	$ 25.01
Range of Exercise Prices, Upper range	$ 27.00
Number Outstanding \| shares	3,572
Weighted Average Remaining Contractual Term	2 months 12 days
Weighted Average Exercise Price	$ 25.66
Number Exercisable \| shares	3,572
Weighted Average Exercise Price	$ 25.66
Price Range 2
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Range of Exercise Prices, Lower range	27.01
Range of Exercise Prices, Upper range	$ 40.00
Number Outstanding \| shares	12,114
Weighted Average Remaining Contractual Term	1 year 2 months 12 days
Weighted Average Exercise Price	$ 27.03
Number Exercisable \| shares	12,114
Weighted Average Exercise Price	$ 27.03
Price Range 3
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Range of Exercise Prices, Lower range	40.01
Range of Exercise Prices, Upper range	$ 41.00
Number Outstanding \| shares	14,006
Weighted Average Remaining Contractual Term	2 years 2 months 12 days
Weighted Average Exercise Price	$ 40.68
Number Exercisable \| shares	14,006
Weighted Average Exercise Price	$ 40.68
Price Range 4
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items]
Range of Exercise Prices, Lower range	25.01
Range of Exercise Prices, Upper range	$ 41.00
Number Outstanding \| shares	29,692
Weighted Average Remaining Contractual Term	1 year 7 months 6 days
Weighted Average Exercise Price	$ 33.30
Number Exercisable \| shares	29,692
Weighted Average Exercise Price	$ 33.30

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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

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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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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.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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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.

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