XML 92 R74.htm IDEA: XBRL DOCUMENT v3.25.1
Net Assets - Roll Forward of Net Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Investment Company, Net Assets [Roll Forward]    
Beginning of the period (in shares) 107,851,415  
Beginning of the period $ 1,359,291 $ 1,331,723
Issuances of common stock   47,919
Offering costs (28) (81)
Distributions declared (34,602) (38,462)
Net increase (decrease) in net assets resulting from operations $ 23,517 28,084
End of the period (in shares) 107,851,415  
Ending of the period $ 1,348,178 1,369,183
Total Net Assets of NMFC    
Investment Company, Net Assets [Roll Forward]    
Beginning of the period 1,353,339 1,319,951
Issuances of common stock   47,919
Offering costs (28) (81)
Distributions declared (34,512) (38,265)
Net increase (decrease) in net assets resulting from operations 23,413 27,408
Ending of the period $ 1,342,212 $ 1,356,932
Common Stock    
Investment Company, Net Assets [Roll Forward]    
Beginning of the period (in shares) 107,851,415 102,558,859
Beginning of the period $ 1,079 $ 1,026
Issuances of common stock (in shares)   3,730,434
Issuances of common stock   $ 37
End of the period (in shares) 107,851,415 106,289,293
Ending of the period $ 1,079 $ 1,063
Paid in Capital in Excess of Par    
Investment Company, Net Assets [Roll Forward]    
Beginning of the period 1,365,852 1,331,269
Issuances of common stock   47,882
Offering costs (28) (81)
Ending of the period 1,365,824 1,379,070
Accumulated Net Investment Income    
Investment Company, Net Assets [Roll Forward]    
Beginning of the period 181,266 150,407
Distributions declared (34,512) (38,265)
Net increase (decrease) in net assets resulting from operations 34,524 37,325
Ending of the period 181,278 149,467
Accumulated Net Realized (Losses) Gains    
Investment Company, Net Assets [Roll Forward]    
Beginning of the period (141,279) (100,015)
Net increase (decrease) in net assets resulting from operations 37,825 (11,830)
Ending of the period (103,454) (111,845)
Net Unrealized Appreciation (Depreciation)    
Investment Company, Net Assets [Roll Forward]    
Beginning of the period (53,579) (62,736)
Net increase (decrease) in net assets resulting from operations (48,936) 1,913
Ending of the period (102,515) (60,823)
Non-Controlling Interest in NMNLC    
Investment Company, Net Assets [Roll Forward]    
Beginning of the period 5,952 11,772
Distributions declared (90) (197)
Net increase (decrease) in net assets resulting from operations 104 676
Ending of the period $ 5,966 $ 12,251