v3.25.3
Consolidated Statements of Changes in Net Assets - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Statement of Partners' Capital [Abstract]        
Net assets at beginning of period $ 1,513,389 $ 1,595,894 $ 1,572,700 $ 1,601,825
Increase (decrease) in net assets from operations:        
Net investment income 45,310 68,182 139,377 196,000
Net realized gain (loss) 5,437 (83,736) (119,790) (128,957)
Net change in unrealized appreciation (depreciation) (25,993) 52,871 76,081 (41,678)
(Provision) benefit for taxes on realized gain/loss on investments (49) (189) (121) (333)
(Provision) benefit for taxes on unrealized appreciation/depreciation on investments   (47)   288
Net increase (decrease) in net assets from operations 24,705 37,081 95,547 25,320
Distributions to stockholders from:        
Distributable earnings (58,198) (52,723) (176,225) (155,704)
Total distributions to stockholders (58,198) (52,723) (176,225) (155,704)
Capital transactions:        
Issuance of common stock (net of offering and underwriting costs)   3,908   109,192
Reinvestment of stockholder distributions   1,928   5,455
Repurchases of common stock (including commissions and direct acquisition costs) (25,067)   (37,193)  
Net increase (decrease) in net assets from capital transactions (25,067) 5,836 (37,193) 114,647
Total increase (decrease) in net assets (58,560) (9,806) (117,871) (15,737)
Net assets at end of period $ 1,454,829 $ 1,586,088 $ 1,454,829 $ 1,586,088
Distributions per share $ 0.51 $ 0.45 $ 1.52 $ 1.35