Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Stockholders' Equity [Abstract]
Dividends declared per share (in dollars per share)	$ 0.19	$ 0.18
Common stock issued in acquisition (in shares)		4,933,115
Treasury stock issued for restricted awards, net of forfeitures (in shares)	90,836	71,699
Forfeitures of restricted stock (in shares)	0	3,685