Condensed Consolidated Statements of Changes in Equity (Unaudited) (Parenthetical) - $ / shares |
9 Months Ended | |
|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
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| Class A Common Stock | ||
| Common stock dividends, per share | $ 0.36 | $ 0.36 |
| X | ||||||||||
- Definition Aggregate dividends paid during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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