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Stock Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2021
Share-based Payment Arrangement [Abstract] |
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] | Activity in the Company’s options for the nine months ended September 30, 2021 was as follows:
| Number of Stock Options |  | Weighted- Average Exercise Price |  | Weighted- Average Remaining Contractual Term (in years) |  | Aggregate Intrinsic Value |
Outstanding as of December 31, 2020 | 38,013 |  |  | $ | 9.03 |  |  |  |  |  |
Granted | - |  |  |  | - |  |  |  |  |  |
Exercised | (5,449 | ) |  |  | 8.34 |  |  |  |  |  |
Forfeited/cancelled/expired | - |  |  |  | - |  |  |  |  |  |
Outstanding as of September 30, 2021 | 32,564 |  |  | $ | 9.15 |  | 1.0 |  | $ | 554,374 |
Exercisable as of September 30, 2021 | 32,564 |  |  | $ | 9.15 |  | 1.0 |  | $ | 554,374 |
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] | Activity in the Company’s restricted shares for the nine months ended September 30, 2021 was as follows:
|  |  |  | Weighted-
|  |  |  | Average
|  | Nonvested |  | Grant Date
|  | Shares |  | Fair Value
Nonvested as of December 31, 2020 |  | 113,114 |  |  | $ | 18.17
Granted |  | 49,971 |  |  |  | 25.33
Vested |  | (68,142 | ) |  |  | 17.16
Forfeited/cancelled/expired |  | (3,071 | ) |  |  | 23.76
Nonvested September 30, 2021 |  | 91,872 |  |  | $ | 22.62
Schedule of Unearned Performance Unit Awards [Table Text Block] | A summary of the status of unearned performance unit awards and the change during the period is presented in the table below:
|  |  |  |  |  | Weighted |
|  |  |  |  |  | Average Grant |
|  | Units |  | Units |  | Date Fair |
|  | (expected) |  | (maximum) |  | Value |
Unearned as of December 31, 2020 |  | 147,636 |  |  |  |  | $ | 17.29 |
Awarded |  | 37,543 |  |  |  |  |  | 25.24 |
Change in estimate |  | 37,184 |  |  |  |  |  | 15.57 |
Vested shares |  | (29,421 | ) |  |  |  |  | 31.35 |
Forfeited/cancelled/expired |  | (11,153 | ) |  |  |  |  | 17.06 |
Unearned as of September 30, 2021 |  | 181,789 |  |  | 233,638 |  | $ | 16.32 |
Schedule of Unearned Restricted Unit Awards [Table Text Block] | A summary of the status of unearned restricted stock units and the changes in restricted stock units during the period is presented in the table below:
|  |  |  |  | Weighted |
|  | Units |  | Average Grant |
|  | (expected) |  | Date Fair Value |
Unearned as of December 31, 2020 |  | 169,313 |  |  | $ | 14.07 |
Awarded |  | 45,027 |  |  |  | 25.24 |
Vested shares |  | (68,916 | ) |  |  | 16.29 |
Forfeited/cancelled/expired |  | (8,476 | ) |  |  | 15.83 |
Unearned as of September 30, 2021 |  | 136,948 |  |  | $ | 16.52 |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + 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)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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