Summarized Quarterly Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2012

Summarized Quarterly Information (Unaudited) [Abstract]

Schedule of Quarterly Financial Information

	2013
(Dollars in thousands, except per share data)	First Quarter			Second Quarter			Third Quarter			Fourth Quarter
Total interest income	$	16,066		$	16,111		$	16,509		$	18,385
Total interest expense	3,091			2,956			2,833			2,806
Net interest income	12,975			13,155			13,676			15,579
Recovery of loan losses	(1,065		)	(1,462		)	(919		)	(964		)
Net loss on asset disposals and other transactions	(5		)	(6		)	(19		)	(125		)
Net gain (loss) on investment securities	418			26			(1		)	46
Other income	9,072			9,216			9,586			9,346
Intangible asset amortization	189			164			180			274
Acquisition-related expenses	65			37			182			1,128
Other expenses	15,931			16,221			16,901			16,993
Income tax expense	2,318			2,510			4,381			2,301
Net income	$	5,022		$	4,921		$	2,517		$	5,114
Earnings per common share - Basic	$	0.47		$	0.46		$	0.24		$	0.48
Earnings per common share - Diluted	$	0.47		$	0.46		$	0.23		$	0.47
Weighted-average common shares outstanding - Basic	10,556,261			10,576,643			10,589,126			10,602,266
Weighted-average common shares outstanding - Diluted	10,571,383			10,597,033			10,692,555			10,718,465

	2012
(Dollars in thousands, except per share data)	First Quarter			Second Quarter			Third Quarter			Fourth Quarter
Total interest income	$	17,612		$	17,341		$	16,942		$	17,575
Total interest expense	4,180			3,729			3,621			3,465
Net interest income	13,432			13,612			13,321			14,110
Recovery of loan losses	(2,137		)	(1,120		)	(956		)	(503		)
Net loss on asset disposals and other transactions	(3,062		)	(43		)	(161		)	(1,060		)
Net gain on investment securities	3,163			—			112			273
Other income	9,082			8,498			8,572			8,819
Intangible asset amortization	107			109			134			159
Acquisition-related expenses	2			231			265			71
Other expenses	14,907			15,346			15,267			16,876
Income tax expense	3,079			2,471			2,310			1,665
Net income	$	6,657		$	5,030		$	4,824		$	3,874
Earnings per common share - Basic	$	0.63		$	0.47		$	0.45		$	0.36
Earnings per common share - Diluted	$	0.63		$	0.47		$	0.45		$	0.36
Weighted-average common shares outstanding - Basic	10,513,388			10,524,429			10,530,800			10,542,810
Weighted-average common shares outstanding - Diluted	10,513,388			10,524,429			10,530,876			10,542,810