Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Standards Update and Change in Accounting Principle [Abstract]

Calculation of Earnings Per Share

Information used to calculate earnings per share was as follows:

(In Thousands)	2022	2021	2020
Net income	$30,741	$37,517	$32,888
Basic weighted average common shares outstanding	5,765	6,181	6,355
Dilutive effect of potential common shares from awards granted under equity incentive program	64	68	76
Total	5,829	6,249	6,431
Earnings per common share
Basic	$5.33	$6.07	$5.18
Diluted	$5.27	$6.00	$5.11