CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Stockholders' Equity [Abstract]
Cash dividends, common stock (in dollars per share)	$ 0.13	$ 0.10
Restricted stock vesting (in shares)	29,125	11,125
Repurchase of restricted stock (in shares)	12,914	4,538
Repurchase of common stock (in shares)	26,800