Note 23 - Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Quarterly Financial Information [Table Text Block]

	Interest		Net Interest		Net		Earnings per Share
	Income		Income		Income		Basic		Diluted
2016
First quarter	$	28,889,000	$	25,882,000	$	8,549,000	$	0.52	$	0.52
Second quarter		30,147,000		27,100,000		7,434,000		0.46		0.46
Third quarter		29,706,000		26,450,000		7,845,000		0.48		0.48
Fourth quarter		29,715,000		26,435,000		8,085,000		0.49		0.49
2015
First quarter	$	27,589,000	$	24,849,000	$	6,646,000	$	0.39	$	0.39
Second quarter		27,663,000		25,041,000		6,558,000		0.39		0.39
Third quarter		28,501,000		25,625,000		7,336,000		0.45		0.45
Fourth quarter		28,575,000		25,659,000		6,480,000		0.40		0.40