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Stock-Based Compensation Plan (Narrative) (Details) - USD ($) $ / shares in Units, shares in Thousands |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Mar. 14, 2023 | Mar. 04, 2022 | May 28, 2021 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Maximum number of shares of common stock that may be granted through awards to any employee in any calendar year |  |  |  | 500 |  |
Number of shares authorized under the plan |  |  |  | 10,187 |  |
Annual automatic increase in shares authorized under the plan, percentage |  |  |  | 5.00% |  |
Stock options, term of expiration |  |  |  | 10 years |  |
Stock options granted fair value |  |  |  | $ 186,000 | $ 3,661,000 | $ 3,239,000
Fair value of the restricted stock awards granted | $ 4,046,000 | $ 10,761,000 | $ 7,230,000 |  |  |
Unrecognized compensation cost related to unvested stock options |  |  |  | $ 1,053,000 |  |
Unvested stock options |  |  |  | 153 |  |
Unrecognized compensation cost related to unvested restricted stock awards |  |  |  | $ 7,209,000 |  |
Total non-cash stock compensation expense |  |  |  | $ 5,141,000 | 11,198,000 | 9,477,000
Employee Stock Option |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of stock options issued under a plan |  |  |  | 75 |  |
Intrinsic value of options exercised and restricted stock awards vested |  |  |  | $ 351,000 | 4,381,000 | 3,425,000
Fair value of shares vested |  |  |  | $ 3,461,000 | $ 5,361,000 | 3,227,000
Weighted average term, Unvested options |  |  |  | 1 year |  |
Restricted Stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Unvested restricted stock awards |  |  |  | 1,617 | 1,546 |
Intrinsic value of options exercised and restricted stock awards vested |  |  |  | $ 1,891,000 | $ 3,336,000 | 1,623,000
Fair value of shares vested |  |  |  | $ 1,438,000 | $ 1,157,000 | $ 991,000
Weighted average term, Unvested options |  |  |  | 2 years 2 months 12 days |  |
Number issued |  |  |  | 500 |  |
2015 Plan | Executive Officer |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock options granted fair value |  |  | $ 35.00 |  |  |
Threshold share price period for vesting condition |  |  | 20 days |  |  |
Number issued |  |  | 500 |  |  |
2015 Plan | Employee Stock Option |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of stock options issued under a plan |  |  |  | 75 |  | 500
Vesting period |  |  |  | 1 year |  |
Stock options, term of expiration |  |  |  | 10 years |  |
2015 Plan | Restricted Stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock options granted fair value |  | $ 50.00 |  |  |  |
Threshold share price period for vesting condition | 20 days | 20 days |  |  |  |
Number issued | 500 | 700 |  |  |  |
Minimum | 2015 Plan | Employee Stock Option |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period |  |  |  | 1 year |  | 1 year
Minimum | 2015 Plan | Restricted Stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock options granted fair value | $ 15.00 |  |  |  |  |
Number issued | 250 |  |  |  |  |
Maximum | 2015 Plan | Employee Stock Option |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting period |  |  |  |  |  | 3 years
Maximum | 2015 Plan | Restricted Stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock options granted fair value | $ 18.00 |  |  |  |  |
Vesting Immediately | 2015 Plan | Employee Stock Option |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of stock options issued under a plan |  |  |  |  | 10 |
Exercise Price Range One | Restricted Stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Share price | $ 9.60 |  |  |  |  |
Unvested restricted stock awards | 500 |  |  |  |  |
Exercise Price Range One | Minimum | Restricted Stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock price target | $ 15.00 |  |  |  |  |
Exercise Price Range One | Maximum | Restricted Stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock price target | $ 18.00 |  |  |  |  |
Exercise Price Range Two | Restricted Stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Share price |  | $ 21.83 |  |  |  |
Unvested restricted stock awards |  | 700 |  |  |  |
Stock price target |  | $ 50.00 |  |  |  |
Exercise Price Range Three | Restricted Stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Share price |  |  | $ 23.69 |  |  |
Unvested restricted stock awards |  |  | 500 |  |  |
Stock price target |  |  | $ 35.00 |  |  |

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