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Earnings Per Common Share and Share Awards Summary of Share-based Award Transactions (Details) shares in Thousands | 12 Months Ended
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Dec. 31, 2021 $ / shares shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options Outstanding - Number Outstanding | shares | 0
$60.00 - $99.99 |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
SARs exercise price, lower limit | $ 60.00
SARs exercise price, upper limit | $ 99.99
SARs Outstanding - As of December 31, 2021 | shares | 6
SARs Outstanding - Weighted Average Remaining Contractual Life | 10 months 17 days
SARs Outstanding - Weighted Average Exercise Price | $ 83.44
SARs Exercisable - Number Exercisable | shares | 6
SARs Exercisable - Weighted Average Exercise Price | $ 83.44
$100.00 - $149.99 |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
SARs exercise price, lower limit | 100.00
SARs exercise price, upper limit | $ 149.99
SARs Outstanding - As of December 31, 2021 | shares | 11
SARs Outstanding - Weighted Average Remaining Contractual Life | 5 years 5 months 12 days
SARs Outstanding - Weighted Average Exercise Price | $ 134.89
SARs Exercisable - Number Exercisable | shares | 5
SARs Exercisable - Weighted Average Exercise Price | $ 126.00
$150.00 - $199.99 |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
SARs exercise price, lower limit | 150.00
SARs exercise price, upper limit | $ 199.99
SARs Outstanding - As of December 31, 2021 | shares | 18
SARs Outstanding - Weighted Average Remaining Contractual Life | 4 years 1 month 2 days
SARs Outstanding - Weighted Average Exercise Price | $ 181.27
SARs Exercisable - Number Exercisable | shares | 17
SARs Exercisable - Weighted Average Exercise Price | $ 181.07
$60.00 - $199.99 |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
SARs exercise price, lower limit | 60.00
SARs exercise price, upper limit | $ 199.99
SARs Outstanding - As of December 31, 2021 | shares | 35
SARs Outstanding - Weighted Average Remaining Contractual Life | 3 years 11 months 15 days
SARs Outstanding - Weighted Average Exercise Price | $ 150.36
SARs Exercisable - Number Exercisable | shares | 28
SARs Exercisable - Weighted Average Exercise Price | $ 151.17

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