v3.26.1
Financial Highlights - Summary of Financial Highlights of the Fund (Detail) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Investment Company, Financial Highlights [Line Items]          
Net asset value, beginning of period [1]     $ 9.47 $ 9.53  
Net investment income (loss) [1]     0.4 0.41  
Net realized and unrealized gains (losses) on investments [1]     (0.33) (0.05)  
Net increase (decrease) in net assets resulting from operations [1]     0.07 0.36  
Distributions to stockholders $ (0.19) $ (0.2) (0.39) [1] (0.4) [1]  
Net asset value, end of period [1] $ 9.15 $ 9.49 $ 9.15 $ 9.49  
Total return at net asset value before incentive fees [1],[2],[3]     1.66% 4.92%  
Total return at net asset value after incentive fees [1],[2],[3]     0.77% 3.85%  
Net assets, end of period $ 741,524,608 [4] $ 649,651,677 [4] $ 741,524,608 [4] $ 649,651,677 [4] $ 730,267,513
Ratio of total expenses to weighted average net assets [4],[5]     15.32% 18.11%  
Ratio of total expenses to weighted average net assets [4],[5],[6]     15.25% 18.11%  
Ratio of net investment income (loss) before waivers to weighted average net assets [4],[5]     9.47% 9.81%  
Ratio of net investment income (loss) after waivers to weighted average net assets [4],[5],[6]     9.54% 9.81%  
Ratio of interest and credit facility expenses to weighted average net assets [4],[5]     10.09 12.21  
Ratio of incentive fees to weighted average net assets [2],[4],[7]     0.94% 1.08%  
Portfolio turnover rate [2],[4]     3.84% 9.15%  
Asset coverage ratio [4],[8]     159 158  
Common Stock [Member]          
Investment Company, Financial Highlights [Line Items]          
Ending Balance, Shares [1] 81,022,158 68,473,064 81,022,158 68,473,064  
[1] The per share data was derived by using the weighted average shares outstanding during the applicable period except for distributions recorded which reflects the actual amount per share of the applicable period.
[2] Not annualized.
[3] Total return based on NAV is calculated as the change in NAV per share during the respective periods, assuming dividends and distributions, if any, are reinvested in accordance with the Fund’s dividend reinvestment plan.
[4] Ratios calculated with Net Assets excluding the Non-Controlling Interest.
[5] Annualized, except for incentive fees.
[6] The Adviser voluntarily waived a portion of management fees and income-based incentive fees. The ratios include the effects of the voluntary waived expense of 0.07% and 0.00% for the six months ended June 30, 2026 and June 30, 2025.
[7] Ratio of incentive fees to weighted average net assets calculated before the voluntary waiver of incentive fees by the Adviser.
[8] Asset coverage ratio is equal to (i) the sum of (A) net assets at end of period and (B) debt outstanding at end of period, divided by (ii) total debt outstanding at the end of the period.