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Stock Options and Other Equity-Based Incentive Instruments (Tables) | 9 Months Ended
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Sep. 30, 2023
Share-Based Payment Arrangement [Abstract] |
Summary of Stock Option Activity | Stock option activity during the nine months ended September 30, 2023 is summarized in the following table:
| Number of Shares |  |  |  | Weighted Average Exercise Price
Outstanding at December 31, 2022 | 15,500 |  |  |  |  | $ | 21.27 |
Options granted | — |  |  |  |  | — |
Options exercised | (8,000) |  |  |  |  | 19.46 |
Options forfeited | — |  |  |  |  | — |
Outstanding at September 30, 2023 | 7,500 |  |  |  |  | $ | 23.21 |
Summary of Options Outstanding | The following table shows the number, weighted-average exercise price, intrinsic value, and weighted average remaining contractual life of options exercisable, options not yet exercisable and total options outstanding as of September 30, 2023:
| Currently Exercisable |  | Currently Not Exercisable |  | Total Outstanding
Number of options | 7,500 |  |  | — |  |  | 7,500 |
Weighted average exercise price | $ | 23.21 |  |  | $ | — |  |  | $ | 23.21 |
Intrinsic value (in thousands) | $ | 66 |  |  | $ | — |  |  | $ | 66 |
Weighted average remaining contractual term (yrs.) | 1.0 |  | 0 years |  | 1.0
Summary of Restricted Stock Unit (RSU) Activity | Activity related to restricted stock unit awards during the nine months ended September 30, 2023 is summarized in the following table:
| Service Condition Vesting RSUs |  | Market Plus Service Condition Vesting RSUs
Outstanding at December 31, 2022 | 139,194 |  |  | 114,481 |
RSUs granted | 84,066 |  |  | 66,209 |
RSUs added through dividend and performance credits | 3,715 |  |  | — |
RSUs released | (72,847) |  |  | (55,928) |
RSUs forfeited/expired | (844) |  |  | (902) |
Outstanding at September 30, 2023 | 153,284 |  |  | 123,860 |

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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- Definition Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding and exercisable options that are fully vested and expected to vest. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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