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Investments - Additional Information, Accrued Performance Fees (Details)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2023
USD ($)
financingVehicle
Mar. 31, 2022
USD ($)
Dec. 31, 2022
fund
Concentration Risk [Line Items]      
Number of partnerships corporate private equity funds related to accrued performance fees 2   1
Total $ 160.8 $ 710.2  
Carlyle Partners VI, L.P. | Accrued performance allocations | Customer concentration risk      
Concentration Risk [Line Items]      
Percentage of accrued performance fees related to certain Corporate Private Equity funds (percent) 22.00%   13.00%