CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Common stock dividends, per share	$ 0.30	$ 0.22
Employee stock purchase plan, shares	13,350	16,341
Restricted stock, shares	48,819	44,987
Acquisition of CommerceFirst Bancorp, Inc., shares		732,054
Stock option plan, shares	0	1,217
Director stock purchase plan, shares		1,083