CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $)	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Balances at Dec. 31, 2011	$ 446,109,000	$ 24,091,000	$ 177,828,000	$ 230,942,000	$ 13,248,000
Net income	36,554,000	0	0	36,554,000	0
Other comprehensive loss, net of tax	(1,936,000)	0	0	0	(1,936,000)
Common stock dividends -- Dividend rate of $0.76, $0.64 and $0.46 at December 31,2014, 2013 and 2012, respectively.	(11,890,000)	0	0	(11,890,000)	0
Stock compensation expense	1,451,000	0	1,451,000	0	0
Common stock issued pursuant to:
Acquisition of CommerceFirst Bancorp, Inc. - 732,054 shares	13,023,000	732,000	12,291,000	0	0
Stock option plan	51,000	4,000	47,000	0	0
Employee stock purchase plan	478,000	31,000	447,000	0	0
Director stock purchase plan	19,000	1,000	18,000	0	0
Restricted stock	(347,000)	46,000	(393,000)	0	0
Balances at Dec. 31, 2012	483,512,000	24,905,000	191,689,000	255,606,000	11,312,000
Net income	44,422,000	0	0	44,422,000	0
Other comprehensive loss, net of tax	(14,282,000)	0	0	0	(14,282,000)
Common stock dividends -- Dividend rate of $0.76, $0.64 and $0.46 at December 31,2014, 2013 and 2012, respectively.	(16,130,000)	0	0	(16,130,000)	0
Stock compensation expense	1,688,000	0	1,688,000	0	0
Common stock issued pursuant to:
Stock option plan	139,000	11,000	128,000	0	0
Employee stock purchase plan	461,000	25,000	436,000	0	0
Restricted stock	(447,000)	49,000	(496,000)	0	0
Balances at Dec. 31, 2013	499,363,000	24,990,000	193,445,000	283,898,000	(2,970,000)
Net income	38,200,000	0	0	38,200,000	0
Other comprehensive loss, net of tax	2,147,000	0	0	0	2,147,000
Common stock dividends -- Dividend rate of $0.76, $0.64 and $0.46 at December 31,2014, 2013 and 2012, respectively.	(19,216,000)	0	0	(19,216,000)	0
Stock compensation expense	1,773,000	0	1,773,000	0	0
Common stock issued pursuant to:
Stock option plan	190,000	14,000	176,000	0	0
Employee stock purchase plan	509,000	25,000	484,000	0	0
Restricted stock	(305,000)	54,000	(359,000)	0	0
Purchase of treasury shares	(910,000)	(38,000)	(872,000)	0	0
Balances at Dec. 31, 2014	$ 521,751,000	$ 25,045,000	$ 194,647,000	$ 302,882,000	$ (823,000)