v3.26.1
Agreements and Related Party Transactions - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Related Party Transaction [Line Items]      
Management fee annual rate percentage 1.25%    
Accrued distribution and shareholder servicing fees $ 6,228 $ 4,712  
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 $ 46,946 33,416  
Incentive Fee 43,068 31,649  
Management fees payable 16,267   $ 16,434
Performance-based incentive fees payable 43,068   44,714
Fee rebates received from affiliates related to Capital Solution services 2,927 5,666  
Investments at fair value 25,149,083   24,515,628
Investment cost 25,426,426   $ 24,414,425
Shareholder servicing fees $ 6,228 4,712  
Co-Investment Holdings      
Related Party Transaction [Line Items]      
Investment owned, percent of fair value 40.20%   39.60%
Investments at fair value $ 10,118,085   $ 9,699,301
Investment owned percent at cost 40.20%   39.50%
Investment cost $ 10,227,154   $ 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 $ 43,068 32,564  
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 $ 0 915  
Management fees payable 16,267   16,434
Performance-based incentive fees payable $ 43,068   $ 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 $ 6,216 4,699  
Shareholder servicing and or distribution fee percent of net asset value 0.85%    
Shareholder servicing fees $ 6,216 4,699  
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 $ 12 6  
Shareholder servicing and or distribution fee percent of net asset value 0.25%    
Shareholder servicing fees $ 12 $ 6  
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