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Stock Compensation Plans - Schedule of Share-based Compensation, Stock Options, Activity (Details) - $ / shares | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | --- | ---
Stock Compensation Plans |  |  |  |
Available to Grant | 594,850 | 86,672 | 245,350 | 436,900
Shares Under Option | 1,064,917 | 1,033,303 | 971,107 | 807,868
Weighted Average Exercise Price | $ 53.671 | $ 50.528 | $ 48.079 | $ 49.139
Granted from 2018 Plan |  |  |  |
Stock Compensation Plans |  |  |  |
Available to Grant | 2,500 | 202,700 | 196,350 |
Shares Under Option | 2,500 | 202,700 | 196,350 |
Weighted Average Exercise Price | $ 61.550 | $ 57.980 | $ 41.740 |
Exercised |  |  |  |
Stock Compensation Plans |  |  |  |
Shares Under Option | 136,801 | 91,285 | 21,436 |
Weighted Average Exercise Price | $ 42.149 | $ 40.532 | $ 33.805 |
Forfeited from terminated plan(s) |  |  |  |
Stock Compensation Plans |  |  |  |
Available to Grant | 39,235 |  |  |
Shares Under Option | 39,235 | 5,197 | 6,875 |
Weighted Average Exercise Price | $ 52.523 | $ 44.563 | $ 38.849 |
Forfeited from current plan(s) |  |  |  |
Stock Compensation Plans |  |  |  |
Available to Grant | 750 | 44,022 | 4,800 |
Shares Under Option | 750 | 44,022 | 4,800 |
Weighted Average Exercise Price | $ 61.550 | $ 52.256 | $ 57.513 |
Termination of 2018 Plan |  |  |  |
Stock Compensation Plans |  |  |  |
Available to Grant | 123,407 |  |  |
Available to Grant from 2022 Plan |  |  |  |
Stock Compensation Plans |  |  |  |
Available to Grant | 800,000 |  |  |
Granted from 2022 Plan |  |  |  |
Stock Compensation Plans |  |  |  |
Available to Grant | 205,900 |  |  |
Shares Under Option | 205,900 |  |  |
Weighted Average Exercise Price | $ 61.505 |  |  |

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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + 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 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + 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)(iii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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