v3.26.3
CONSOLIDATED STATEMENTS OF CHANGES IN NET ASSETS - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Beginning balance (in shares)       182,695,000    
Beginning balance $ 2,274,330 $ 2,189,865 $ 2,151,075 $ 2,216,053 $ 1,989,581 $ 1,989,581
Net increase (decrease) in net assets resulting from operations 93,568   119,685 $ 266,251 $ 248,909  
Public offering, net of offering expenses (in shares)       5,800,000 10,400,000  
Public offering, net of offering expenses 39,198   (12) $ 91,220 $ 188,839  
Issuance of common stock under equity-based award plans 176   172 201 284  
Shares retired on vesting of equity-based awards (869)   (1,146) $ (5,079) $ (5,753)  
Distributions reinvested in common stock (in shares)       414,190 355,971  
Distributions reinvested in common stock 2,213   1,753 $ 6,515 $ 6,799  
Distributions (87,969)   (85,388) (262,652) (249,855) $ (335,263)
Stock-based compensation $ 4,066 [1]   3,726 [2] $ 12,204 [1] 11,061 [2]  
Ending balance (in shares) 189,597,000 182,695,000   189,597,000   182,695,000
Ending balance $ 2,324,713 $ 2,216,053 $ 2,189,865 $ 2,324,713 $ 2,189,865 $ 2,216,053
Common Stock            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Beginning balance (in shares) 187,218,000 181,776,000 181,729,000 182,695,000 170,575,000 170,575,000
Beginning balance $ 187 $ 182 $ 182 $ 183 $ 171 $ 171
Public offering, net of offering expenses (in shares) 2,290,000     5,831,000 10,354,000  
Public offering, net of offering expenses $ 3     $ 6 $ 10  
Issuance of common stock under equity-based award plans (in shares) 15,000   19,000 1,048,000 825,000  
Issuance of common stock under equity-based award plans       $ 1 $ 1  
Shares retired on vesting of equity-based awards (in shares) (59,000)   (63,000) (391,000) (334,000)  
Distributions reinvested in common stock (in shares) 133,000   91,000 414,000 356,000  
Distributions $ (87,267)   $ (84,752) $ (260,320) $ (247,749)  
Ending balance (in shares) 189,597,000 182,695,000 181,776,000 189,597,000 181,776,000 182,695,000
Ending balance $ 190 $ 183 $ 182 $ 190 $ 182 $ 183
Capital in excess of par value            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Beginning balance 2,174,992 2,101,709 2,097,216 2,114,719 1,900,490 1,900,490
Public offering, net of offering expenses 39,195   (12) 91,214 188,829  
Issuance of common stock under equity-based award plans 176   172 200 283  
Shares retired on vesting of equity-based awards (869)   (1,146) (5,079) (5,753)  
Distributions reinvested in common stock 2,213   1,753 6,515 6,799  
Stock-based compensation 4,066 [1]   3,726 [2] 12,204 [1] 11,061 [2]  
Ending balance 2,219,773 2,114,719 2,101,709 2,219,773 2,101,709 2,114,719
Distributable Earnings (loss)            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Beginning balance 99,151 87,974 53,677 101,151 88,920 88,920
Net increase (decrease) in net assets resulting from operations 93,568   119,685 266,251 248,909  
Distributions (87,969)   (85,388) (262,652) (249,855)  
Ending balance $ 104,750 $ 101,151 $ 87,974 $ 104,750 $ 87,974 $ 101,151
[1] Stock-based compensation includes $31 thousand and $80 thousand of restricted stock and option expense related to director compensation for the three and nine months ended September 30, 2026, respectively.
[2] Stock-based compensation includes $35 thousand and $106 thousand of restricted stock and option expense related to director compensation for the three and nine months ended September 30, 2025, respectively.