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Incentive Plans - Performance Based Awards (Details) - USD ($) $ in Millions |  |  |  |  | 1 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 27, 2024 | Apr. 08, 2023 | Feb. 27, 2023 | Mar. 04, 2022 | Jan. 31, 2023 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Award requisite service period |  |  |  |  |  | 4 years | 4 years |
Market-based performance awards |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Performance period |  |  |  |  |  | 3 years |  |
Fair value of awards |  |  |  |  |  | $ 8.2 | $ 12.3 |
Market-based performance awards | Below Threshold Level |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting percentage |  |  |  |  |  | 0.00% |  |
Performance Threshold |  |  |  |  |  | (500.00%) |  | (500.00%)
Market-based performance awards | Threshold Level |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting percentage |  |  |  |  |  | 25.00% |  |
Performance Threshold |  |  |  |  |  | (500.00%) |  | (500.00%)
Market-based performance awards | Target Level |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting percentage |  |  |  |  |  | 50.00% |  |
Performance Threshold |  |  |  |  |  | 0.00% |  | 0.00%
Market-based performance awards | High Level |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting percentage |  |  |  |  |  | 100.00% |  |
Performance Threshold |  |  |  |  |  | 500.00% |  | 500.00%
Market-based performance awards | First Vesting Period |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting percentage |  |  |  |  |  | 50.00% |  |
Market-based performance awards | First Vesting Period | 2020 Awards |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting percentage |  |  | 50.00% |  |  |  |  |
Market-based performance awards | Second Vesting Period |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting percentage |  |  |  |  |  | 50.00% |  |
Market-based performance awards | Second Vesting Period | 2020 Awards |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting percentage | 50.00% |  |  |  |  |  |  |
Class D Units | 2020 Awards |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting of restricted common units, net (units) |  |  |  |  | 72,230 |  |  |
Restricted Stock Units | 2020 Awards |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting of restricted common units, net (units) |  |  |  |  | 7,083 |  |  |
Distribution Equivalent Unit | 2020 Awards |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting of restricted common units, net (units) |  |  |  |  | 5,841 |  |  |
Financial-based performance awards | 2019 Awards |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Award requisite service period |  | 3 years |  | 3 years |  |  |  |
Share-based compensation arrangement by share-based payment award, grant date fair value |  | $ 8.1 |  | $ 12.3 |  |  |  |

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- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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