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Retirement and Share-based Compensation Plans (Changes in Stock Options Outstanding) (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Share-Based Payment Arrangement [Abstract] |  |  |  |
Outstanding, number of shares | 1,786,794 | 2,062,719 | 1,257,917 | 828,913
Outstanding, weighted-average exercise price per share | $ 28.18 | $ 27.84 | $ 25.10 | $ 19.91
Outstanding, total exercise price | $ 50,347 | $ 57,428 | $ 31,576 | $ 16,506
Granted, number of shares | 0 | 1,246,605 | 815,767 |
Granted, weighted-average exercise price per share | $ 0 | $ 29.15 | $ 26.70 |
Granted, total exercise price | $ 0 | $ 36,336 | $ 21,778 |
Canceled, number of shares | (102,143) | (146,803) | (31,200) |
Canceled, weighted-average exercise price per share | $ 27.49 | $ 25.44 | $ 21.50 |
Canceled, total exercise price | $ (2,808) | $ (3,735) | $ (670) |
Exercised, number of shares | (173,782) | (295,000) | (355,563) |
Exercised, weighted-average exercise price per share | $ 24.59 | $ 22.88 | $ 16.98 |
Exercised, total exercise price | $ (4,273) | $ (6,749) | $ (6,038) |

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- Definition Total exercise prices of options outstanding based upon the weighted average excercise prices and number of options. + References No definition available. + Details
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- Definition Total exercise price attributable to options exercised in the period based upon the number of options exercised and their weighted average exercise price. + References No definition available. + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(03) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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