Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025		Jun. 30, 2024
Net Investment Income [Line Items]
Investment income	$ 90,970	$ 108,617	$ 187,910		$ 220,160
Expenses:
Interest and other debt expenses	26,416	29,103	54,721		56,717
Incentive fees	8,526	0	15,330		10,882
Management fees	8,408	8,865	17,089		17,597
Professional fees	781	1,206	1,745		2,316
Directors' fees	207	207	414		414
Other general and administrative expenses	1,273	1,035	2,316		2,097
Total expenses	45,611	40,416	91,615		90,023
Net expenses	45,611	40,416	91,615		90,023
Net investment income before taxes	45,359	68,201	96,295		130,137
Income tax expense, including excise tax	906	1,243	2,228		2,319
Net investment income after taxes	44,453	66,958	94,067		127,818
Net change in unrealized appreciation (depreciation) from:
Net realized and unrealized gains (losses)	(5,164)	(121,392)	(23,153)		(139,770)
(Provision) benefit for taxes on realized gain/loss on investments	0	(160)	(72)		(144)
(Provision) benefit for taxes on unrealized appreciation/depreciation on investments		381			335
Net increase (decrease) in net assets from operations	$ 39,289	$ (54,213)	$ 70,842		$ (11,761)
Weighted average shares outstanding	117,204,952	114,363,722	117,250,832		112,220,299
Net investment income per share basic	$ 0.38	$ 0.59	$ 0.8	[1]	$ 1.14	[1]
Net investment income per share diluted	0.38	0.59	0.8		1.14
Earnings per share basic	0.34	(0.47)	0.6		(0.1)
Earnings per share diluted	$ 0.34	$ (0.47)	$ 0.6		$ (0.1)
Foreign Currency Forward Contracts
Net change in unrealized appreciation (depreciation) from:
Net change in unrealized appreciation (depreciation)	$ (181)	$ 41	$ (270)		$ 186
Foreign Currency Translations and Other Transactions
Net realized gain (loss) from:
Net realized gain (loss)	225	4,258	464		4,444
Net change in unrealized appreciation (depreciation) from:
Net change in unrealized appreciation (depreciation)	(3,408)	(3,505)	(4,565)		(2,155)
Non-Controlled/Non-Affiliated Investments
Net Investment Income [Line Items]
Interest income	81,060	94,358	165,264		191,268
Payment-in-kind income	6,808	11,845	16,433		24,491
Other income	865	776	1,850		1,633
Net realized gain (loss) from:
Net realized gain (loss)	(70,297)	(30,004)	(91,867)		(47,650)
Net change in unrealized appreciation (depreciation) from:
Net change in unrealized appreciation (depreciation)	73,271	(89,023)	80,860		(91,118)
Non-Controlled Affiliated Investments
Net Investment Income [Line Items]
Interest income	1,269	834	2,630		1,490
Dividend income	208	770	381		1,182
Payment-in-kind income	711	10	1,267		65
Other income	49	24	85		31
Net realized gain (loss) from:
Net realized gain (loss)	(10,922)	(2,673)	(33,824)		(2,015)
Net change in unrealized appreciation (depreciation) from:
Net change in unrealized appreciation (depreciation)	$ 6,148	$ (486)	$ 26,049		$ (1,462)

[1] The per share data was derived by using the weighted average shares outstanding during the applicable period that the shares were outstanding, except for distributions recorded, which reflects the actual amount per share for the applicable period