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Equity Compensation Plan Information (Narrative) (Details) - USD ($) |  |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 26, 2023 | Mar. 09, 2023 | Mar. 08, 2023 | May 05, 2022 | Mar. 28, 2022 | Mar. 09, 2022 | Mar. 26, 2021 | Mar. 26, 2020 | Mar. 31, 2023 | Jan. 31, 2023 | May 31, 2022 | Mar. 31, 2022 | May 31, 2021 | Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Director [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount payable to non-employee directors |  |  |  |  |  |  |  |  | $ 15,000 |  |  |  |  | $ 15,000 |  |  |  |
Fully-vested shares of common stock issued |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |  |  |
2018 Equity Plan [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum issuance of common stock options |  |  |  |  |  |  |  |  | 325,000 |  |  |  |  | 325,000 |  |  |  |
2018 Equity Plan [Member] | Director [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fully-vested shares of common stock issued |  |  |  |  |  |  |  |  |  | 333 | 14,940 |  |  |  |  |  |  |
Fully vested shares of common stock issued, per share value |  |  |  |  |  |  |  |  |  | $ 19.36 | $ 18.92 |  |  |  |  |  |  |
Stock compensation expense |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 75,501 | $ 58,858,000 |  |  |
Long-Term Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock compensation expense |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 26,145 |  |  |  |
2019 Long-Term Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares-based compensation shares of common stock issued |  |  |  |  |  | 14,688 |  |  |  |  |  |  |  |  |  |  |  |
2020 Performance Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares-based compensation shares of common stock issued |  |  | 15,216 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock Units (RSUs) [Member] | Officers [Member] | Share-based Payment Arrangement, Tranche One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation performance based award, percent |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |
Restricted Stock Units (RSUs) [Member] | Officers [Member] | Share-based Payment Arrangement, Tranche Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation performance based award, percent |  |  |  |  |  |  |  |  |  |  |  |  |  | 150.00% |  |  |  |
Restricted Stock Units (RSUs) [Member] | Long-Term Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares of common stock grant date fair market value |  |  |  |  |  |  |  |  | $ 18.25 |  |  | $ 21.88 | $ 17.93 |  |  | $ 12.54 |  |
Stock compensation expense |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 16,571 | 16,571 |  |  |
Unrecognized compensation expense related to unvested units |  |  |  |  |  |  |  |  | $ 331,018 |  |  |  |  | $ 331,018 |  |  |  |
Restricted Stock Units (RSUs) [Member] | Long-Term Incentive Plan [Member] | Share-based Payment Arrangement, Tranche One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation award vesting period |  |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |
Restricted Stock Units (RSUs) [Member] | Long-Term Incentive Plan [Member] | Share-based Payment Arrangement, Tranche Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation award vesting period |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Unvested Restricted Stock Units [Member] | Long-Term Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrecognized compensation expense related to unvested units |  |  |  |  |  |  |  |  | $ 71,809 |  |  |  |  | $ 71,809 |  |  |  |
Performance Vested Shares [Member] | Long-Term Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation shares of common stock granted |  |  |  |  |  |  |  |  | 10,214 |  |  | 8,096 | 7,389 |  |  |  | 9,791 | 10,143
Time-vested Shares [Member] | Long-Term Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation shares of common stock granted |  | 6,238 |  | 3,693 | 3,380 |  | 5,070 |  | 7,920 |  |  | 6,238 | 3,693 |  |  |  |  | 5,070
Stock compensation expense |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,896 | $ 26,127 |  |  |
Shares-based compensation shares of common stock issued | 1,692 | 2,079 |  | 1,230 | 1,688 |  | 1,690 |  |  |  |  |  |  |  |  |  |  |
Unrecognized compensation expense related to unvested units |  |  |  |  |  |  |  |  | $ 209,162 |  |  |  |  | $ 209,162 |  |  |  |

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