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Stock-Based Compensation - Narrative (Details) - USD ($) $ in Millions | 1 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jul. 31, 2024 | Feb. 29, 2024 | May 31, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2013
Stock-based compensation |  |  |  |  |  |
Shares tendered by employees to pay employee withholding taxes (in shares) |  |  |  | 158,333 |  |
Nonvested Shares, Share Units or DEU |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |
Total fair value of shares vested |  |  |  | $ 24.4 | $ 14.6 |
Nonvested Shares or Share Units Outstanding |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |
Total unrecognized compensation expense |  |  |  | $ 31.2 |  |
Expected weighted average period for recognition of expense |  |  |  | 2 years 6 months 29 days |  |
Time-Based Share Awards | Certain Vice President And Staff Level Employee | Nonvested Share Units | Incentive Program Bonus Award Fiscal Year Performance |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |
Vesting period |  | 2 years |  |  |  |
Time-Based Share Awards | Certain Vice President And Staff Level Employee | Nonvested Share Units | Incentive Program Bonus Award Fiscal Year Performance | First Vesting Date |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |
Vesting percentage |  | 50.00% |  |  |  |
Time-Based Share Awards | Certain Vice President And Staff Level Employee | Nonvested Share Units | Incentive Program Bonus Award Fiscal Year Performance | Second Vesting Date |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |
Vesting percentage |  | 50.00% |  |  |  |
Time-Based Share Awards | Employee | Nonvested Share Units | Incentive Program Bonus Award Fiscal Year Performance |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |
Vesting period |  | 3 years |  |  |  |
Time-Based Share Awards | Employee | Nonvested Share Units | Incentive Program Bonus Award Fiscal Year Performance | First Vesting Date |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |
Vesting percentage | 33.33% | 33.33% |  |  |  |
Time-Based Share Awards | Employee | Nonvested Share Units | Incentive Program Bonus Award Fiscal Year Performance | Second Vesting Date |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |
Vesting percentage | 33.33% | 33.33% |  |  |  |
Time-Based Share Awards | Employee | Nonvested Share Units | Incentive Program Bonus Award Fiscal Year Performance | Third Vesting Date |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |
Vesting percentage | 33.33% | 33.33% |  |  |  |
2013 Plan |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |
Increase in number of shares authorized (in shares) |  |  | 2,000,000 |  |  |
Shares authorized (in shares) |  |  |  |  |  | 7,500,000
Number of share available for future grant (in shares) |  |  |  | 3,300,000 |  |
2013 Plan | Time-Based Share Awards | Certain Senior Management | Nonvested Shares |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |
Performance period | 3 years | 3 years |  |  |  |
2013 Plan | Time-Based Share Awards | Certain Senior Management | Nonvested Shares | First Vesting Date |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |
Vesting percentage | 33.33% | 33.33% |  |  |  |
2013 Plan | Time-Based Share Awards | Certain Senior Management | Nonvested Shares | Second Vesting Date |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |
Vesting percentage | 33.33% | 33.33% |  |  |  |
2013 Plan | Time-Based Share Awards | Certain Senior Management | Nonvested Shares | Third Vesting Date |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |
Vesting percentage | 33.33% | 33.33% |  |  |  |
2013 Plan | Vesting Based On Performance | Certain Senior Management | Nonvested Shares |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |
Performance period | 3 years | 3 years |  |  |  |
2013 Plan | Vesting Based On Performance | Certain Senior Management | Nonvested Shares | Maximum |  |  |  |  |  |
Stock-based compensation |  |  |  |  |  |
Vesting percent | 200.00% | 200.00% |  |  |  |

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