Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Statement of Stockholders' Equity [Abstract]
Dividends declared per share (in dollars per share)	$ 0.20	$ 0.19
Treasury stock issued for restricted awards, net of forfeitures (in shares)	74,903	90,836
Forfeitures of restricted stock (in shares)	7,370	0