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Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Statement of Stockholders' Equity [Abstract]
Dividends declared per share (in dollars per share)	$ 0.38	$ 0.36
Common stock issued in acquisition (in shares)		4,933,115
Treasury stock issued for restricted awards, net of forfeitures (in shares)	110,643	87,841
Forfeitures of restricted stock (in shares)	4,659	4,630

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Aggregate dividends declared during the period for each share of common stock outstanding.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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Number of shares of stock issued during the period pursuant to acquisitions.

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