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Share-Based and Other Deferred Compensation - LP Units and Stock Incentive Plan Additional Information (Details)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Jun. 30, 2024
shares
Jun. 30, 2023
shares
Feb. 28, 2023
shares
Dec. 31, 2022
shares
Dec. 31, 2021
shares
Jun. 30, 2019
shares
Sep. 30, 2024
USD ($)
shares
Jun. 30, 2024
shares
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
shares
Sep. 30, 2023
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
K LP Units to be Granted Upon Achievement of Benchmarks (in units) 328,000 60,000   320,000 800,000 173,000          
LP Units [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Limited Partnership Units Convertible Conversion Ratio                   1  
Third Amended Two Thousand Sixteen Stock Incentive Plan | Class A [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Number of Additional Shares Authorized (in shares)               6,000,000      
Number of Shares Available for Grant (in shares)             8,679,000     8,679,000  
Class K-P Units [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grant of K-P Units (in units) 328,000 60,000   200,000 400,000 220,000          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Converted in Period (in units)     193,000                
Grant of K-P Units, Fair Value of Award | $                   $ 261,880  
Class K Units Probable of Achievement (in units)                   1,875,000  
Compensation Expense | $             $ 15,844   $ 6,467 $ 31,099 $ 19,001
Class K-P Units [Member] | Share-based Payment Arrangement, Tranche One                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grant of K-P Units (in units)     120,000 50,000   120,000          
K LP Units to be Granted Upon Achievement of Benchmarks (in units)       50,000              
Class K-P Units [Member] | Share-based Payment Arrangement, Tranche Two                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grant of K-P Units (in units)       50,000   100,000          
K LP Units to be Granted Upon Achievement of Benchmarks (in units)       50,000              
Class K-P Units [Member] | Share-Based Payment Arrangement, Tranche Three                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grant of K-P Units (in units)       50,000              
K LP Units to be Granted Upon Achievement of Benchmarks (in units)       50,000              
Class K-P Units [Member] | Share-Based Payment Arrangement, Tranche Four                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Grant of K-P Units (in units)       50,000