Financial Highlights (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Per share data:
Net asset value at beginning of period (in dollars per share)	$ 10.24	$ 10.13
Net investment income (in dollars per share)	0.91	0.92
Net gain (loss) (in dollars per share)	0.08	0
Net increase (decrease) in net assets resulting from operations (in dollars per share)	0.99	0.92
Stockholder distributions declared (in dollars per share)	(0.85)	(0.81)
Other (in dollars per share)	0.01	0.01
Net asset value at end of period (in dollars per share)	$ 10.39	$ 10.25
Total return based on average net asset value	9.46%	8.78%
Ratio/Supplemental data:
Net assets at end of period	$ 1,879,965	$ 1,131,752
Shares outstanding at end of period (in shares)		110,418,299
Portfolio turnover	12.92%	6.15%
Ratio of total investment income to average net assets	24.39%	22.56%
Ratio of expenses to average net assets	12.38%	10.29%
Ratio of net investment income to average net assets	12.01%	12.27%