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v3.23.3

Employee and Non-Employee Benefit Plans (Details) $ in Thousands | 3 Months Ended | 9 Months Ended | 117 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2023 USD ($) shares | Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) plan shares | Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) shares | Dec. 31, 2022 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of active equity-based compensation plans | plan |  |  | 2 |  |  |
Gain (loss) on deferred compensation plan investments | $ | $ (118) | $ (103) | $ 272 | $ (931) |  |
EDC plan investments | $ | 2,878 |  | 2,878 |  | $ 2,878 | $ 2,176
EDC plan current liabilities | $ | 650 |  | 650 |  | 650 | 510
EDC plan noncurrent liabilities | $ | $ 2,615 |  | $ 2,615 |  | $ 2,615 | $ 2,191
The 2014 Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of shares approved (in shares) | 1,500,000 |  | 1,500,000 |  | 1,500,000 |
The Director's Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of shares approved (in shares) | 300,000 |  | 300,000 |  | 300,000 |
Restricted Stock Units (RSUs) |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Units outstanding (in shares) | 226,410 |  | 226,410 |  | 226,410 |
Restricted Stock Units (RSUs) | The 2014 Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Grants in period (in shares) |  |  |  |  | 658,081 |
Restricted Stock Units (RSUs) | The Director's Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Grants in period (in shares) |  |  |  |  | 138,662 |

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