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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2021
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) | 2021 | 2020 | 2019
Net income | $37,517 |  | $32,888 |  | $20,691 |
Basic weighted average common shares outstanding | 6,181 |  | 6,355 |  | 6,709 |
Dilutive effect of potential common shares from awards granted under equity incentive program | 68 |  | 76 |  | 99 |
Total | 6,249 |  | 6,431 |  | 6,808 |
Earnings per common share |  |  |
Basic | $6.07 |  | $5.18 |  | $3.08 |
Diluted | $6.00 |  | $5.11 |  | $3.04 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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