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Share Based Compensation Plan (Details) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Apr. 30, 2017 | Dec. 31, 2020 | Dec. 31, 2019
Share Based Compensation Plan (Details) [Line Items] |  |  |
Share based compensation plan, description | The Company’s 2008 Stock Incentive Plan (the “2008 Plan”), which was approved by the shareholders in April 2008, permitted the grant or award of incentive stock options, nonqualified stock options, stock appreciation rights, and restricted stock for up to 250,000 Common Shares of the Company. |  |
Option exercised shares (in Shares) |  | 26,950 |
Total intrinsic value |  | $ 0.3 |
Cash received from exercised options |  | $ 0.2 |
Share-based Payment Arrangement [Member] |  |  |
Share Based Compensation Plan (Details) [Line Items] |  |  |
SAR and common restricted stock, shares (in Shares) | 500,000 |  |
Option awards vesting period |  | 5 years |
Option awards contractual terms |  | 10 years |
Restricted Stock [Member] |  |  |
Share Based Compensation Plan (Details) [Line Items] |  |  |
Compensation cost charged against income |  | $ 0.4 | $ 0.4
Total income tax benefit recognized in income statement for share-based compensation arrangements |  | 0.1 | $ 0.1
Total unrecognized compensation cost related to non-vested share-based compensation arrangements granted under plan |  | $ 0.4 |
Weighted-average period term |  | 1 year 240 days |

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