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Consolidated Condensed Statements of Changes in Equity (Parenthetical) (USD $)
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3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
|
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| Statement of Stockholders' Equity [Abstract] | ||||
| Cash dividends per share | $ 0.17 | $ 0.15 | $ 0.47 | $ 0.45 |