v3.25.4
CONSOLIDATED STATEMENTS OF CHANGES IN NET ASSETS - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Dec. 31, 2025
Sep. 30, 2025
Jun. 30, 2025
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Dec. 31, 2025
Dec. 31, 2024
Investment Company, Net Assets [Roll Forward]                
Beginning balance (in shares)     52,912,796       52,912,796  
Beginning balance $ 947,004 $ 916,474 $ 883,633 $ 791,258 $ 777,331 $ 755,676 $ 883,633 $ 755,676
Issuance of common stock 51,756 39,693 41,172 52,915 20,237 37,778    
Share-based compensation 1,290 1,270 1,143 1,544 1,538 1,224    
Issuance of common stock under restricted stock plan, net of forfeitures   0 0   0 0    
Common stock withheld for payroll taxes upon vesting of restricted stock (1)   (1,120)     (1,862)    
Dividends to shareholders (37,299) (36,040) (35,344) (31,532) (30,520) (29,508)    
Change in restoration plan liability (12) (12) (11) (11) (12) (12)    
Reclassification for certain permanent book-to-tax differences 0     0        
Net investment income 36,985 31,984 31,889 30,316 31,165 28,859 100,859 90,340
Net realized gain on investments, net of tax 225   15,704 (12,805)   711 11,003 (22,383)
Net realized loss on investments, net of tax, and disposal of fixed assets   (4,928)            
Net realized loss on investments, net of tax, and extinguishment of debt (1,931)     (13,201) (10,289)      
Net unrealized (depreciation) appreciation on investments, net of tax $ (2,158) (1,437) (20,592) $ (847) 1,808 (15,535) $ (24,188) $ (14,574)
Ending balance (in shares) 59,456,961     50,051,000     59,456,961 50,051,000
Ending balance $ 995,634 $ 947,004 $ 916,474 $ 830,442 $ 791,258 $ 777,331 $ 995,634 $ 830,442
Common Stock                
Investment Company, Net Assets [Roll Forward]                
Beginning balance (in shares) 56,966,998 55,227,370 52,912,796 47,686,685 46,837,511 45,050,759 52,912,796 45,050,759
Beginning balance $ 14,242 $ 13,807 $ 13,228 $ 11,922 $ 11,709 $ 11,263 $ 13,228 $ 11,263
Issuance of common stock (in shares) 2,490,000 1,766,975 2,034,917 2,364,147 839,099 1,498,981    
Issuance of common stock $ 622 $ 442 $ 509 $ 591 $ 210 $ 375    
Issuance of common stock under restricted stock plan, net of forfeitures (in shares)   (27,347) 332,250 500 10,075 359,000    
Issuance of common stock under restricted stock plan, net of forfeitures   $ (7) $ 83   $ 3 $ 89    
Common stock withheld for payroll taxes upon vesting of restricted stock (in shares) (37)   (52,593)     (71,229)    
Common stock withheld for payroll taxes upon vesting of restricted stock     $ (13)     $ (18)    
Ending balance (in shares) 59,456,961 56,966,998 55,227,370 50,051,332 47,686,685 46,837,511 59,456,961 50,051,332
Ending balance $ 14,864 $ 14,242 $ 13,807 $ 12,513 $ 11,922 $ 11,709 $ 14,864 $ 12,513
Treasury Stock                
Investment Company, Net Assets [Roll Forward]                
Beginning balance $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0
Beginning balance (in shares) 0 0 0 0 0 0 0 0
Ending balance $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0
Ending balance (in shares) 0 0 0 0 0 0 0 0
Additional Paid-In Capital                
Investment Company, Net Assets [Roll Forward]                
Beginning balance $ 1,040,244 $ 999,728 $ 959,123 $ 855,177 $ 833,627 $ 796,945 $ 959,123 $ 796,945
Issuance of common stock 51,134 39,251 40,663 52,324 20,027 37,403    
Share-based compensation 1,290 1,270 1,143 1,544 1,538 1,224    
Issuance of common stock under restricted stock plan, net of forfeitures   7 (83)   (3) (89)    
Common stock withheld for payroll taxes upon vesting of restricted stock (1)   (1,107)     (1,844)    
Change in restoration plan liability (12) (12) (11) (11) (12) (12)    
Reclassification for certain permanent book-to-tax differences (35,430)     (5,521)        
Ending balance 1,057,225 1,040,244 999,728 903,513 855,177 833,627 1,057,225 903,513
Total Distributable Earnings (Loss)                
Investment Company, Net Assets [Roll Forward]                
Beginning balance (107,482) (97,061) (88,718) (75,841) (68,005) (52,532) (88,718) (52,532)
Dividends to shareholders (37,299) (36,040) (35,344) (31,532) (30,520) (29,508)    
Reclassification for certain permanent book-to-tax differences 35,430     5,521        
Net investment income 36,985 31,984 31,889 30,316 31,165 28,859    
Net realized gain on investments, net of tax     15,704     711    
Net realized loss on investments, net of tax, and disposal of fixed assets   (4,928)            
Net realized loss on investments, net of tax, and extinguishment of debt (1,931)     (13,201) (10,289)      
Net unrealized (depreciation) appreciation on investments, net of tax (2,158) (1,437) (20,592) (847) 1,808 (15,535)    
Ending balance $ (76,455) $ (107,482) $ (97,061) $ (85,584) $ (75,841) $ (68,005) $ (76,455) $ (85,584)