CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Balances at Dec. 31, 2011	$ 446,109	$ 24,091	$ 177,828	$ 230,942	$ 13,248
Net income	15,683	0	0	15,683	0
Other comprehensive income (loss), net of tax	1,329	0	0	0	1,329
Common stock dividends	(5,358)	0	0	(5,358)	0
Stock compensation expense	740	0	740	0	0
Common stock issued pursuant to:
Acquisition of CommerceFirst Bancorp, Inc. - 732,054 shares	13,023	732	12,291	0	0
Stock option plan - 1,217 shares	15	1	14	0	0
Employee stock purchase plan	250	17	233	0	0
Director stock purchase plan	19	1	18	0	0
Restricted stock	(346)	45	(391)	0	0
Balances at Jun. 30, 2012	471,464	24,887	190,733	241,267	14,577
Balances at Dec. 31, 2012	483,512	24,905	191,689	255,606	11,312
Net income	22,720	0	0	22,720	0
Other comprehensive income (loss), net of tax	(13,737)	0	0	0	(13,737)
Common stock dividends	(7,553)	0	0	(7,553)	0
Stock compensation expense	920	0	920	0	0
Common stock issued pursuant to:
Employee stock purchase plan	228	14	214	0	0
Restricted stock	(447)	49	(496)	0	0
Balances at Jun. 30, 2013	$ 485,643	$ 24,968	$ 192,327	$ 270,773	$ (2,425)