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Earnings per Common Share - Calculation of Weighted-Average Shares Excluded from Diluted EPS Due to Anti-Dilutive Effect (Details) - shares shares in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Stock Compensation Plan |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |
Weighted-average stock awards excluded from diluted EPS due to the anti-dilutive effect calculated using the treasury stock method (in shares) | 2 | 669 | 3

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- Definition Antidilutive Securities Excluded from Computation of EPS, Amount, Treasury Stock Method + References No definition available. + Details
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- Definition 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. + References No definition available. + Details
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- Details
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