Income (Loss) Per Share - Computation of Basic and Diluted Income (Loss) Per Share (Parenthetical) (Details) - shares shares in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
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| Earnings Per Share [Abstract] | ||||
| Dilutive securities (in shares) | 0 | 0 | 0 | 0 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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