Common Stock and Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2012

Earnings Per Share [Abstract]

Schedule of Common Stock Outstanding Roll Forward [Table Text Block]

The table below shows activity in the outstanding shares of the Company’s common stock during 2012.

	2012
Shares outstanding at January 1	10,357,930
10% stock dividend issued December 14, 2012	1,040,984
Issuance of common stock:
Issued under stock-based compensation plan	28,370
Stock options/SARs exercised	36,547
Shares outstanding at December 31	11,463,831

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The calculations of basic and diluted earnings per share are as follows:

	December 31,
(In thousands except share and per share data)	2012		2011		2010
Basic
Net income	$	23,303	$	23,009	$	20,310
Weighted-average common shares outstanding		11,378,216		11,326,968		11,295,693
Basic earnings per share	$	2.05	$	2.03	$	1.80
Diluted
Net income	$	23,303	$	23,009	$	20,310
Weighted-average common shares outstanding		11,378,216		11,326,968		11,295,693
Effect of dilutive restricted stock, stock
options and SARs		178,998		148,652		135,873
Weighted-average common shares outstanding
assuming dilution
		11,557,214		11,475,620		11,431,566
Diluted earnings per share	$	2.02	$	2.01	$	1.78