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Stock Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2021
Share-based Payment Arrangement [Abstract] |
Summary of activity regarding active stock option and stock award plans | The following table shows the combined summary of activity regarding active stock option and stock award plans.
|  |  | Non-Vested Stock Awards Outstanding |  |
| Shares Available for Grant |  | Number of Shares |  | Weighted-Average Grant-Date Fair Value |  |  |  |
Balance, January 1, 2019 | 675,059 |  |  | 253,819 |  |  | $ | 28.59 |  |  |  |  |
Shares authorized - 2019 EIP | 62,538 |  |  | — |  |  | — |  |  |  |  |
Granted | (74,336) |  |  | 74,336 |  |  | 31.44 |  |  |  |  |
Stock awards vested | — |  |  | (100,299) |  |  | 28.35 |  |  |  |  |
Forfeited | 1,241 |  |  | (8,865) |  |  | 30.28 |  |  |  |  |
Balance, December 31, 2019 | 664,502 |  |  | 218,991 |  |  | 29.60 |  |  |  |  |
Shares authorized - 2020 EIP | 60,233 |  |  | — |  |  | — |  |  |  |  |
Granted | (147,576) |  |  | 147,576 |  |  | 37.41 |  |  |  |  |
Stock awards vested | — |  |  | (74,203) |  |  | 28.95 |  |  |  |  |
Forfeited | 49 |  |  | (870) |  |  | 31.82 |  |  |  |  |
Balance, December 31, 2020 | 577,208 |  |  | 291,494 |  |  | 33.71 |  |  |  |  |
Shares authorized - 2021 EIP | 62,369 |  |  | — |  |  | — |  |  |  |  |
Granted | (79,072) |  |  | 79,072 |  |  | 36.22 |  |  |  |  |
Stock awards vested | — |  |  | (92,622) |  |  | 32.53 |  |  |  |  |
Forfeited | 250 |  |  | (3,798) |  |  | 32.13 |  |  |  |  |
Balance, December 31, 2021 | 560,755 |  |  | 274,146 |  |  | $ | 34.86 |  |  |  |  |

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- Definition Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value. + 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 (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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