CONSOLIDATED STATEMENTS OF CHANGES IN NET ASSETS - USD ($) $ in Thousands			3 Months Ended		6 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
CHANGES IN NET ASSETS
Balances at the beginning			$ 2,442,671	$ 1,576,430	$ 2,059,727	$ 1,302,667
Net investment income			61,897	48,491	112,319	87,201
Net realized gain (loss)			(1,667)	332	(1,541)	320
Net change in unrealized gain (loss)			(16,871)	(3,413)	$ (23,419)	$ 7,196
Issuance of common stock (in shares)					46,979,968	37,650,657
Issuances of common stock			109,903	121,874	$ 486,757	$ 386,721
Repurchase of common stock (in shares)					(2,166,418)	(3,138,449)
Repurchases of common stock			(14,373)	(11,810)	$ (22,410)	$ (32,252)
Distributions declared to stockholders			(62,246)	(45,288)	$ (115,896)	$ (79,641)
Stock issued in connection with dividend reinvestment plan (in shares)	2,609,084	2,292,918			4,902,002	3,230,799
Stock issued in connection with dividend reinvestment plan	$ 26,952	$ 23,777	$ 26,952	$ 18,862	$ 50,729	$ 33,266
Balances at the end (in shares)	248,420,048		248,420,048	164,975,780	248,420,048	164,975,780
Balances at the end	$ 2,546,266	$ 2,442,671	$ 2,546,266	$ 1,705,478	$ 2,546,266	$ 1,705,478
Common Stock
CHANGES IN NET ASSETS
Balances at the beginning (in shares)			236,563,000	152,507,000	198,704,000	127,233,000
Balances at the beginning			$ 236	$ 153	$ 199	$ 127
Issuance of common stock (in shares)			10,639,000	11,787,000	46,980,000	37,651,000
Issuances of common stock			$ 11	$ 12	$ 47	$ 38
Repurchase of common stock (in shares)			(1,391,000)	(1,143,000)	(2,166,000)	(3,139,000)
Repurchases of common stock			$ (1)	$ (1)	$ (2)	$ (3)
Stock issued in connection with dividend reinvestment plan (in shares)			2,609,000	1,825,000	4,902,000	3,231,000
Stock issued in connection with dividend reinvestment plan			$ 3	$ 1	$ 5	$ 3
Balances at the end (in shares)	248,420,000	236,563,000	248,420,000	164,976,000	248,420,000	164,976,000
Balances at the end	$ 249	$ 236	$ 249	$ 165	$ 249	$ 165
Capital in excess of par value
CHANGES IN NET ASSETS
Balances at the beginning			2,411,140	1,541,161	2,018,583	1,282,378
Issuances of common stock			109,892	121,862	486,710	386,683
Repurchases of common stock			(14,372)	(11,809)	(22,408)	(32,249)
Stock issued in connection with dividend reinvestment plan			26,949	18,861	50,724	33,263
Balances at the end	2,533,609	2,411,140	2,533,609	1,670,075	2,533,609	1,670,075
Accumulated undistributed (overdistributed) earnings
CHANGES IN NET ASSETS
Balances at the beginning			31,295	35,116	40,945	20,162
Net investment income			61,897	48,491	112,319	87,201
Net realized gain (loss)			(1,667)	332	(1,541)	320
Net change in unrealized gain (loss)			(16,871)	(3,413)	(23,419)	7,196
Distributions declared to stockholders			(62,246)	(45,288)	(115,896)	(79,641)
Balances at the end	$ 12,408	$ 31,295	$ 12,408	$ 35,238	$ 12,408	$ 35,238