CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash dividends:
Cash dividends, common stock (in dollars per share)	$ 0.20	$ 0.14
Exercise of stock options (in shares)	0	9,563
Restricted stock vesting (in shares)	15,525	15,258
Repurchase of restricted stock (in shares)	4,538	4,693