CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Statement of Stockholders' Equity [Abstract]
Cash dividends, common stock (in dollars per share)	$ 0.26	$ 0.20
Exercise of stock options (in shares)	4,638
Restricted stock vesting (in shares)	33,525	15,525
Repurchase of restricted stock (in shares)	12,914	4,538
Repurchase of common stock (in shares)	26,800