v3.26.1
Consolidated Statements of Changes in Net Assets - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance as of beginning of period (in shares) 89,834,849  
Balance as of beginning of period $ 2,993,893 $ 2,797,838
Public offering of common stock, net of offering costs 134,283 5,198
Share‑based compensation $ 5,105 $ 4,842
Dividend reinvestment (in shares) 173,523 156,749
Dividend reinvestment $ 9,961 $ 9,087
Amortization of directors’ deferred compensation 90 108
Net increase in net assets resulting from operations 48,981 116,082
Dividends to stockholders $ (98,669) (93,022)
Balance as of ending of period (in shares) 92,454,655  
Balance as of ending of period $ 3,093,644 $ 2,840,133
Common Stock    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance as of beginning of period (in shares) 89,838,001 88,400,391
Balance as of beginning of period $ 898 $ 884
Public offering of common stock, net of offering costs (in shares) 2,430,825 89,091
Public offering of common stock, net of offering costs $ 25 $ 1
Dividend reinvestment (in shares) 173,523 156,749
Dividend reinvestment $ 2 $ 2
Issuance of restricted stock, net of forfeited shares (in shares) 19,924 13,366
Balance as of ending of period (in shares) 92,462,273 88,659,597
Balance as of ending of period $ 925 $ 887
Additional Paid-In Capital    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance as of beginning of period 2,457,660 2,394,492
Public offering of common stock, net of offering costs 134,258 5,197
Share‑based compensation 5,105 4,842
Dividend reinvestment 9,959 9,085
Amortization of directors’ deferred compensation 90 108
Dividends to stockholders 213 190
Balance as of ending of period 2,607,285 2,413,914
Total Undistributed Earnings    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance as of beginning of period 535,335 402,462
Net increase in net assets resulting from operations 48,981 116,082
Dividends to stockholders (98,882) (93,212)
Balance as of ending of period $ 485,434 $ 425,332