CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) (USD $)
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12 Months Ended | ||
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Statement of Stockholders' Equity [Abstract] | |||
Dividends declared per share of common stock | $ 1.48 | $ 1.27 | $ 1.08 |