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v3.23.3

Unit Based Awards - Long-Term Incentive Plans - Narrative (Details) $ in Thousands |  |  |  |  |  |  |  | 1 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 24, 2027 shares | Jan. 24, 2026 shares | Jan. 24, 2025 shares | Jan. 24, 2024 shares | Jul. 19, 2023 shares | Apr. 20, 2022 shares | Jul. 21, 2021 shares | Feb. 28, 2023 director shares | Sep. 30, 2023 USD ($) shares | Apr. 19, 2022 shares | May 26, 2017 shares
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized (in shares) |  |  |  |  |  |  |  |  |  |  | 3,000,000
Phantom unit Awards |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |
Trading days |  |  |  |  |  |  | 20 days |  |  |  |
Shares available for grant (in shares) |  |  |  |  |  | 5,000,000 |  |  |  | 2,000,000 |
Unrecognized compensation cost related to non-vested restricted units | $ |  |  |  |  |  |  |  |  | $ 5,241 |  |
Weighted average period for recognition (in years) |  |  |  |  |  |  |  |  | 2 years 4 months 13 days |  |
Phantom unit Awards | Employees |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |
Granted, number of units (in shares) |  |  |  |  | 1,179,500 | 365,000 | 620,000 |  |  |  |
Restricted unit Awards |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |
Unrecognized compensation cost related to non-vested restricted units | $ |  |  |  |  |  |  |  |  | $ 321 |  |
Weighted average period for recognition (in years) |  |  |  |  |  |  |  |  | 2 years 5 months 8 days |  |
Vested, number of units (in shares) |  |  |  |  |  |  |  |  | 45,878 |  |
Restricted unit Awards | Employees |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |
Vesting period (in years) |  |  |  |  |  |  |  |  | 3 years |  |
Restricted unit Awards | Non-employee directors |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |
Vesting period (in years) |  |  |  |  |  |  |  |  | 4 years |  |
February Time Based Restricted Units |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |
Number of independent directors receiving grants | director |  |  |  |  |  |  |  | 3 |  |  |
February Time Based Restricted Units | Non-employee directors |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |
Granted, number of units (in shares) |  |  |  |  |  |  |  | 21,352 |  |  |
February Time Based Restricted Units | Non-employee directors | Scenario, Forecast |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |
Vested, number of units (in shares) | 5,338 | 5,338 | 5,338 | 5,338 |  |  |  |  |  |  |
Phantom Units Appreciation Rights | Employees |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |  |  |  |  |  |  |
Granted, number of units (in shares) |  |  |  |  | 505,500 | 1,097,500 | 1,245,000 |  |  |  |

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