Per Share Information - Narrative (Details) - shares |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
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| Earnings Per Share [Abstract] | ||||
| Weighted average shares outstanding attributable to participating securities (in shares) | 500,000 | 1,400,000 | 700,000 | 1,700,000 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition This element represents nonvested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid). Basic and dilutive earnings per share are generally disclosed for such shares using the two-class method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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