CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income	Total
Balance at Dec. 31, 2013	$ 30,333	$ 174,001	$ 111,323	$ 4,875	$ 320,532
Balance (in shares) at Dec. 31, 2013	30,333,000
Increase (Decrease) in Stockholders' Equity
Stock options exercised	12	101			113
Stock options exercised (in shares)	12,000
Stock compensation expense, net of tax benefit		411			411
Shares issued from acquisition of United Financial Banking Companies, Inc.	1,617	25,191			26,808
Shares issued from acquisition of United Financial Banking Companies, Inc. (in shares)	1,617,000
Dividends on common stock of $0.11 and $0.08 per share for the three months ended March 31, 2015 and 2014, respectively			(2,558)		(2,558)
Change in accumulated other comprehensive income				2,849	2,849
Net income			4,290		4,290
Balance at Mar. 31, 2014	31,962	199,704	113,055	7,724	352,445
Balance (in shares) at Mar. 31, 2014	31,962,000
Balance at Dec. 31, 2014	32,078	201,948	133,129	10,166	377,321
Balance (in shares) at Dec. 31, 2014	32,078,000
Increase (Decrease) in Stockholders' Equity
Stock options exercised	70	692			762
Stock options exercised (in shares)	70,000
Vesting of restricted stock grants	7	131			138
Vesting of restricted stock grants (in shares)	7,000
Stock compensation expense, net of tax benefit		422			422
Dividends on common stock of $0.11 and $0.08 per share for the three months ended March 31, 2015 and 2014, respectively			(3,534)		(3,534)
Change in accumulated other comprehensive income				435	435
Net income			13,732		13,732
Balance at Mar. 31, 2015	$ 32,155	$ 203,193	$ 143,327	$ 10,601	$ 389,276
Balance (in shares) at Mar. 31, 2015	32,155,000