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Stock Compensation Plans - Additional Information (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 shares | Dec. 31, 2020 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of options outstanding | 1,033,303 | 971,107
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period | 10 years |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage | 25.00% |
2003 Plan |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of shares authorized | 598,224 |
Number of options outstanding | 14,603 |
2013 Plan |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of shares authorized | 700,000 |
Number of options outstanding | 319,563 |
2018 Plan |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of shares authorized | 800,000 |
Number of options outstanding | 699,137 |
Ratio of shares utilized for awards other than stock options and stock appreciation rights | 2.5 |

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