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Share-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2020
Shares awarded to non-employee directors [Line Items] |
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan | The table below presents the amounts included in net income related to share-based compensation expense for the three and nine months ended September 30, 2020 and 2019:
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
|  | 2020 |  | 2019 |  | 2020 |  | 2019
(in thousands) |  |  |  |  |  |  |  |
Awards to non-employee directors |  | $ | 188 |  |  | $ | 158 |  |  | $ | 545 |  |  | $ | 463 |
Awards to key employees |  | 1,144 |  |  | 1,052 |  |  | 3,109 |  |  | 1,842 |
Total compensation expense |  | 1,332 |  |  | 1,210 |  |  | 3,654 |  |  | 2,305 |
Less: tax benefit |  | (348) |  |  | (315) |  |  | (955) |  |  | (600) |
Share-based compensation amounts included in net income |  | $ | 984 |  |  | $ | 895 |  |  | $ | 2,699 |  |  | $ | 1,705 |
Award to key employees [Member] |
Shares awarded to non-employee directors [Line Items] |
Schedule of Share-based Compensation, Activity | The table below presents the summary of the stock activity for awards to key employees for the nine months ended September 30, 2020:
|  | Number of Shares |  | Weighted Average Fair Value
Outstanding—December 31, 2019 |  | 157,817 |  |  | $ | 80.28 |
Granted |  | 69,345 |  |  | $ | 92.78 |
Vested |  | (35,651) |  |  | $ | 66.48 |
Expired |  | (5,302) |  |  | $ | 65.32 |
Outstanding—September 30, 2020 |  | 186,209 |  |  | $ | 86.98 |

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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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=116856206&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=116856206&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=116856206&loc=d3e5070-113901 + Details
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