Statements of Consolidated Changes in Equity (Parenthetical) - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Statement of Stockholders' Equity [Abstract] | Ìý | Ìý | Ìý |
| Common Stock, Dividends, Per Share, Declared | $ 0.05 | $ 0 | $ 0 |
| X | ||||||||||
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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