Financial Highlights (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2022
Investment Company, Net Assets [Roll Forward]
Net asset value, beginning of period (in usd per share)			$ 15.32	$ 14.47	$ 14.47
Net investment income (loss ) (in usd per share)			1.41	1.22
Net realized and unrealized gain (loss) (in usd per share)			0.04	0.13
Total from operations (in usd per share)			1.45	1.35
Issuance of common stock (in usd per share)			0	0.01
Distributions declared from net investment income (in usd per share)			(1.00)	(0.80)
Total increase (decrease) in net assets (in usd per share)			0.45	0.56
Net asset value, end of period (in usd per share)	$ 15.77	$ 15.03	$ 15.77	$ 15.03	$ 15.32
Shares outstanding, end of period (in shares)	174,960,148	118,355,643	174,960,148	118,355,643	118,624,729
Total Return			9.50%	9.40%
Ratio of total expenses to average net assets			13.00%	13.50%
Ratio of net investment income to average net assets			11.50%	10.80%
Net assets, end of period	$ 2,758,910	$ 1,778,624	$ 2,758,910	$ 1,778,624	$ 1,817,579	$ 2,407,037	$ 1,557,065	$ 1,224,578
Weighted-average shares outstanding—basic (in shares)	155,552,828	105,839,749	138,598,295	95,860,190
Weighted-average shares outstanding—diluted (in shares)	155,552,828	105,839,749	138,598,295	95,860,190
Total capital commitments, end of period			$ 4,148,981	$ 4,120,907
Ratio of total contributed capital to total committed capital, end of period			62.50%	41.70%
Portfolio turnover rate			27.60%	2.60%