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Share-Based Payments (Tables) | 12 Months Ended
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Dec. 31, 2022
Share-Based Payment Arrangement [Abstract] |
Summary of Nonvested Restricted Stock Shares Activity | The following is a summary of restricted stock award activity for the year ended December 31, 2022:
| Shares |  | Weighted-Average Grant-Date Fair Value
Nonvested, Beginning of Year | 138,093 |  |  | $ | 44.48 |
Granted | 51,600 |  |  | 59.95 |
Vested | (48,142) |  |  | 45.35 |
Forfeited | — |  |  | — |
Nonvested, End of Year | 141,551 |  |  | $ | 49.83 |
Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions | The grant-date fair value of the TSR component of the stock performance awards granted during the years ended December 31, 2022, 2021 and 2020 was determined using a Monte Carlo fair value simulation model incorporating the following assumptions:
| 2022 |  | 2021 |  | 2020
Risk-free interest rate | 1.52 | % |  | 0.18 | % |  | 1.42 | %
Expected term (in years) | 3.00 |  | 3.00 |  | 3.00
Expected volatility | 32.00 | % |  | 32.00 | % |  | 19.00 | %
Dividend yield | 2.90 | % |  | 3.60 | % |  | 2.80 | %
Schedule of Share-based Compensation Arrangements by Share-based Payment Award | The following is a summary of stock performance award activity for the year ended December 31, 2022 (share amounts reflect awards at target):
| Shares |  | Weighted-Average Grant-Date Fair Value
Nonvested, Beginning of Year | 189,600 |  |  | $ | 42.54 |
Granted | 55,800 |  |  | 54.91 |
Vested | (55,600) |  |  | 43.30 |
Forfeited | — |  |  | — |
Nonvested, End of Year | 189,800 |  |  | $ | 45.95 |

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- Definition Tabular disclosure of share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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