Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Information Disclosure [Abstract]

Quarterly Results of Operations for the Four Quarters

Selected quarterly results of operations for the four quarters ended December 31 are as follows:

	(In Thousands, except per share data)
	2016					2015					2014
	Fourth Quarter		Third Quarter	Second Quarter	First Quarter	Fourth Quarter		Third Quarter	Second Quarter	First Quarter	Fourth Quarter		Third Quarter	Second Quarter	First Quarter
Interest income	$	22,078	21,454	20,877	20,337	$	20,213	19,982	19,617	19,027	$	19,180	18,980	18,286	17,934
Interest expense	1,990		2,077	2,106	2,111	2,087		2,114	2,191	2,216	2,397		2,426	2,437	2,508
Net interest income	20,088		19,377	18,771	18,226	18,126		17,868	17,426	16,811	16,783		16,554	15,849	15,426
Provision for loan losses	89		141	82	67	123		109	81	75	134		87	28	249
Earnings before income taxes	10,120		11,095	10,162	9,097	8,720		9,862	9,889	9,154	8,888		8,772	8,503	6,924
Net earnings	6,802		6,918	6,270	5,643	5,958		6,088	6,201	5,616	6,100		5,351	5,154	4,172
Basic earnings per common share	0.66		0.67	0.61	0.55	0.59		0.60	0.61	0.55	0.61		0.53	0.51	0.41
Diluted earnings per common share	0.66		0.67	0.61	0.55	0.59		0.60	0.61	0.55	0.61		0.53	0.51	0.41