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Investments - Accrued Performance Fees (Details) - financingVehicle
6 Months Ended 12 Months Ended
Jun. 30, 2023
Dec. 31, 2022
Concentration Risk [Line Items]    
Number of partnerships corporate private equity funds related to accrued performance fees 1  
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) 12.00% 13.00%