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Shareholders' Equity and Share-based Compensation - Share-based Compensation (Details) - USD ($) |  | 3 Months Ended | 6 Months Ended | 158 Months Ended
--- | --- | --- | --- | ---
Jun. 30, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2018 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based compensation expense |  | $ 8,691,000 | $ 13,091,000 |  | $ 9,609,000 | $ 23,687,000 |
Repurchase of common shares under shares repurchase program |  |  |  |  |  |  | 7,332,780
Options outstanding, Weighted-Average Remaining Contractual Life (in years) | 8 months 19 days |  |  |  | 3 months |  |
Options vested and expected to vest (in shares) |  | 161,875 |  |  | 161,875 |  | 161,875
Options vested and expected to vest (in dollars per share) |  | $ 7.61 |  |  | $ 7.61 |  | $ 7.61
Options vested and expected to vest, Weighted Average Remaining Contractual Life (in years) |  |  |  |  | 3 months |  |
Options vested and expected to vest, Aggregate Intrinsic Value |  | $ 2,987,294 |  |  | $ 2,987,294 |  | $ 2,987,294
Exercisable at end of period (in shares) |  | 161,875 |  |  | 161,875 |  | 161,875
Exercisable at end of period (in dollars per share) |  | $ 7.61 |  |  | $ 7.61 |  | $ 7.61
Exercisable at end of period, Weighted Average Remaining Contractual Life (in years) |  |  |  |  | 3 months |  |
Exercisable at end of period, Aggregate Intrinsic Value |  | $ 2,987,294 |  |  | $ 2,987,294 |  | $ 2,987,294
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] |  |  |  |  |  |  |
Outstanding at beginning of period (in shares) |  |  |  |  | 319,375 |  |
Outstanding at end of period (In shares) | 319,375 | 161,875 |  |  | 161,875 |  | 161,875
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward] |  |  |  |  |  |  |
Outstanding at beginning of period (in dollars per share) |  |  |  |  | $ 7.53 |  |
Outstanding at end of period (in dollars per share) | $ 7.53 | $ 7.61 |  |  | $ 7.61 |  | $ 7.61
Options outstanding, Aggregate Intrinsic Value | $ 8,071,631 | $ 2,987,294 |  |  | $ 2,987,294 |  | $ 2,987,294
2018 Market-based Restricted Stock Units (MSU) |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based compensation expense |  | 300,000 | 2,800,000 |  | 600,000 | 3,300,000 |
Granted (in shares) |  |  |  | 1,300,000 |  |  |
Performance Based Restricted Stock Units (PRSUs) Member |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share-based compensation expense |  | $ 800,000 | $ 1,100,000 |  | $ 1,200,000 | $ 2,700,000 |
Granted (in shares) |  |  |  |  | 0 |  |

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