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Stockholders' Equity (Schedule of Deferred and Restricted Stock Units Transactions) (Details) - Deferred and Restricted Stock Unit - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Number of Shares |  |  |
Balance at beginning of the period (in shares) | 277,774 | 285,711 | 335,087
Issued (in shares) | 3,244 | 5,427 | 4,653
Granted (in shares) | 159,640 | 162,719 | 109,767
Dividend equivalents (in shares) | 10,731 | 10,871 | 7,233
Forfeited (in shares) | (23,440) | (15,012) | (6,696)
Vested (in shares) | (131,644) | (171,942) | (164,333)
Balance at end of the period (in shares) | 296,305 | 277,774 | 285,711
Weighted Average Price |  |  |
Outstanding exercise price (in usd per share) | $ 120.92 | $ 110.41 | $ 90.04
Issued (in usd per share) | 119.43 | 101.87 | 137.62
Granted (in usd per share) | 114.22 | 119.84 | 142.37
Dividend equivalent (in usd per share) | 116.99 | 103.27 | 134.78
Forfeited (in usd per share) | 121.16 | 121.99 | 114.66
Exercised (in usd per share) | 112.10 | 96.21 | 87.64
Outstanding exercise price (in usd per share) | $ 118.60 | $ 120.92 | $ 110.41

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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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