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Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Earnings Per Share [Abstract] |  |  |  |
Net income available to common shareholders | $ 22,683 | $ 22,148 | $ 44,025 | $ 41,962
Less: earnings allocated to participating securities | (203) | (206) | (403) | (385)
Net earnings allocated to common shareholders | 22,480 | 21,942 | 43,622 | 41,577
Distributed earnings allocated to common stock | 8,837 | 8,921 | 17,671 | 17,845
Undistributed earnings allocated to common stock | $ 13,643 | $ 13,021 | $ 25,951 | $ 23,732
Average shares outstanding (in shares) | 14,888 | 15,573 | 14,930 | 15,614
Effect of dilutive securities: |  |  |  |
Employee stock awards (in shares) | 21 | 21 | 24 | 26
Average shares outstanding, diluted (in shares) | 14,909 | 15,594 | 14,954 | 15,640
Basic earnings per common share (in dollars per share) | $ 1.51 | $ 1.41 | $ 2.92 | $ 2.66
Diluted earnings per share (in dollars per share) | $ 1.51 | $ 1.41 | $ 2.92 | $ 2.66

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- Definition The earnings that is allocated to common stock and participating securities to the extent that each security may share in earnings as if all of the earnings for the period had been distributed. Includes the adjustments resulting from the assumption that dilutive securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions. + References No definition available. + Details
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- Definition Amount of undistributed earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 65 -URI https://asc.fasb.org/extlink&oid=126958026&loc=d3e2793-109256 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 60B -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126958026&loc=SL5780133-109256 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 66 -URI https://asc.fasb.org/extlink&oid=126958026&loc=d3e2814-109256 + Details
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 16 -URI https://asc.fasb.org/extlink&oid=126958026&loc=d3e1505-109256 + Details
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=126958026&loc=d3e1448-109256 + Details
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