v3.26.1
Agreements and Related Party Transactions - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Related Party Transaction [Line Items]          
Management fee annual rate percentage     1.25%    
Accrued distribution and shareholder servicing fees $ 6,141 $ 5,393 $ 12,368 $ 10,104  
Pre-incentive fee net investment income returns per quarter percentage on net asset value     1.25%    
Pre-incentive fee net investment income returns per annum percentage on net asset value.     5.00%    
Management fees 45,623 39,815 $ 92,569 73,231  
Incentive Fee 44,329 37,660 87,397 69,309  
Management fees payable 15,148   15,148   $ 16,434
Performance-based incentive fees payable 44,329   44,329   44,714
Fee rebates received from affiliates related to Capital Solution services 360 815 3,287 6,480  
Investments at fair value 25,367,235   25,367,235   24,515,628
Investment cost $ 25,642,943   $ 25,642,943   $ 24,414,425
Co-Investment Holdings          
Related Party Transaction [Line Items]          
Investment owned, percent of fair value 39.40%   39.40%   39.60%
Investments at fair value $ 9,997,210   $ 9,997,210   $ 9,699,301
Investment owned percent at cost 39.30%   39.30%   39.50%
Investment cost $ 10,084,325   $ 10,084,325   $ 9,651,981
Incentive Fee based on Income          
Related Party Transaction [Line Items]          
Percentage of pre-incentive fee net investment income     12.50%    
Catch up pre-incentive fee net investment income returns per quarter percentage on net asset value     1.43%    
Catch up pre-incentive fee net investment income returns per annum percentage on net asset valu     5.72%    
Catch up portion adviser percentage     12.50%    
Catch up Net investment income     1.43%    
Incentive Fee 44,329 37,660 $ 87,397 70,223  
Incentive Fee based on Income | Minimum          
Related Party Transaction [Line Items]          
Catch up pre-incentive fee net investment income returns per quarter percentage on net asset value     1.43%    
Catch up pre-incentive fee net investment income returns per annum percentage on net asset valu     5.72%    
Incentive Fee based on Income | Maximum          
Related Party Transaction [Line Items]          
Percentage of pre-incentive fee net investment income     100.00%    
Incentive Fee Based on Cumulative Net Realized Gains          
Related Party Transaction [Line Items]          
Percentage of cumulative pre-Incentive fee net return     12.50%    
Incentive Fee 0 0 $ 0 915  
Management fees payable 15,148   15,148   16,434
Performance-based incentive fees payable 44,329   $ 44,329   $ 44,714
Intermediary Manager Agreement          
Related Party Transaction [Line Items]          
Gross proceeds from primary offering     10.00%    
Aggregate gross proceeds from sale     10.00%    
Class S Shares          
Related Party Transaction [Line Items]          
Accrued distribution and shareholder servicing fees 6,128 5,385 $ 12,343 10,091  
Shareholder servicing and or distribution fee percent of net asset value     0.85%    
Class S Shares | Intermediary Manager Agreement          
Related Party Transaction [Line Items]          
Shareholder servicing and or distribution fee percent of net asset value     0.85%    
Class D Shares          
Related Party Transaction [Line Items]          
Accrued distribution and shareholder servicing fees $ 13 $ 7 $ 25 $ 13  
Shareholder servicing and or distribution fee percent of net asset value     0.25%    
Class D Shares | Intermediary Manager Agreement          
Related Party Transaction [Line Items]          
Shareholder servicing and or distribution fee percent of net asset value     0.25%    
Class I Shares          
Related Party Transaction [Line Items]          
Shareholder servicing and or distribution fee percent of net asset value     0.00%    
Class I Shares | Intermediary Manager Agreement          
Related Party Transaction [Line Items]          
Shareholder servicing and or distribution fee percent of net asset value     0.00%    
Initial Advisory Agreement          
Related Party Transaction [Line Items]          
Agreement effective term     2 years    
Agreement termination period     60 days    
Initial Administration Agreement [Member]          
Related Party Transaction [Line Items]          
Agreement effective term     2 years    
Agreement termination period     60 days