Quarterly Results of Operations (unaudited, amounts in thousands, except per share amounts) (Tables)

12 Months Ended

Dec. 31, 2015

Quarterly Financial Information Disclosure [Abstract]

Quarterly Results of Operations

	Quarter Ended
	March			June			September			December		Year
2015
Interest income	$	22,214		$	23,027		$	23,295		$	23,631	$	92,167
Interest expense	3,635			3,659			3,714			$	3,959	14,967
Net interest income	$	18,579		$	19,368		$	19,581		$	19,672	$	77,200
Provision for loan losses	(62		)	517			(95		)	1,295		1,655
Other income	4,990			5,506			5,218			5,088		20,802
Other expense	13,199			13,504			13,672			15,085		55,460
Income before income taxes	$	10,432		$	10,853		$	11,222		$	8,380	40,887
Income taxes	3,052			3,383			3,537			2,497		12,469
Net income	$	7,380		$	7,470		$	7,685		$	5,883	$	28,418
Basic earnings per share	$	0.79		$	0.80		$	0.82		$	0.63	$	3.04
Diluted earnings per share	0.79			0.80			0.82			0.63		3.04
2014
Interest income	$	20,865		$	21,473		$	21,794		$	22,450	$	86,582
Interest expense	3,850			3,760			3,704			$	3,723	15,037
Net interest income	$	17,015		$	17,713		$	18,090		$	18,727	$	71,545
Provision for loan losses	45			(246		)	(1,008		)	2,251		1,042
Other income	4,421			4,947			5,247			4,741		19,356
Other expense	12,258			12,537			12,821			14,140		51,756
Income before income taxes	$	9,133		$	10,369		$	11,524		$	7,077	38,103
Income taxes	2,389			3,188			3,625			1,927		11,129
Net income	$	6,744		$	7,181		$	7,899		$	5,150	$	26,974
Basic earnings per share	$	0.72		$	0.76		$	0.85		$	0.55	$	2.88
Diluted earnings per share	0.72			0.76			0.84			0.55		2.87