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v3.24.3

Net Assets - Roll forward of Net Assets (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Investment Company, Net Assets [Roll Forward] |  |  |  |  |  |  |  |
Beginning of the period (in shares) |  |  | 102,558,859 |  |  |  | 102,558,859 |
Beginning of the period | $ 1,386,517 | $ 1,369,183 | $ 1,331,723 | $ 1,337,962 | $ 1,338,494 | $ 1,326,191 | $ 1,331,723 | $ 1,326,191
Issuances of common stock | 0 | 19,772 | 47,919 | 6,625 | 0 | 0 |  |
Other | 244 |  |  |  |  |  |  |
Offering costs | (43) | (388) | (81) | (66) | (91) | (56) |  |
Distributions declared | (36,834) | (36,834) | (38,462) | (36,526) | (35,519) | (32,453) |  |
Sale of non-controlling interest in NMNLC | (4,666) |  |  |  |  |  |  |
Net change in unrealized appreciation in NMNLC | (1,533) |  |  |  |  |  |  |
Net increase (decrease) in net assets resulting from operations | $ 23,894 | 34,784 | 28,084 | 28,699 | 35,078 | 44,812 | $ 86,762 | 108,589
End of the period (in shares) | 107,851,415 |  |  |  |  |  | 107,851,415 |
Ending of the period | $ 1,367,579 | 1,386,517 | 1,369,183 | 1,336,694 | 1,337,962 | 1,338,494 | $ 1,367,579 | 1,336,694
Total Net Assets of NMFC |  |  |  |  |  |  |  |
Investment Company, Net Assets [Roll Forward] |  |  |  |  |  |  |  |
Beginning of the period | 1,374,118 | 1,356,932 | 1,319,951 | 1,326,101 | 1,326,690 | 1,314,473 | 1,319,951 | 1,314,473
Issuances of common stock |  | 19,772 | 47,919 | 6,625 |  |  |  |
Offering costs | (43) | (388) | (81) | (66) | (91) | (56) | (512) | (213)
Distributions declared | (36,668) | (36,669) | (38,265) | (36,338) | (35,328) | (32,300) | (111,602) | (103,966)
Net increase (decrease) in net assets resulting from operations | 23,889 | 34,471 | 27,408 | 28,696 | 34,830 | 44,573 | 85,768 | 108,099
Ending of the period | $ 1,361,296 | $ 1,374,118 | $ 1,356,932 | $ 1,325,018 | $ 1,326,101 | $ 1,326,690 | $ 1,361,296 | $ 1,325,018
Common Stock |  |  |  |  |  |  |  |
Investment Company, Net Assets [Roll Forward] |  |  |  |  |  |  |  |
Beginning of the period (in shares) | 107,851,415 | 106,289,293 | 102,558,859 | 100,937,026 | 100,937,026 | 100,937,026 | 102,558,859 | 100,937,026
Beginning of the period | $ 1,079 | $ 1,063 | $ 1,026 | $ 1,009 | $ 1,009 | $ 1,009 | $ 1,026 | $ 1,009
Issuances of common stock (in shares) |  | 1,562,122 | 3,730,434 | 502,623 |  |  |  |
Issuances of common stock |  | $ 16 | $ 37 | $ 5 |  |  |  |
End of the period (in shares) | 107,851,415 | 107,851,415 | 106,289,293 | 101,439,649 | 100,937,026 | 100,937,026 | 107,851,415 | 101,439,649
Ending of the period | $ 1,079 | $ 1,079 | $ 1,063 | $ 1,014 | $ 1,009 | $ 1,009 | $ 1,079 | $ 1,014
Paid in Capital in Excess of Par |  |  |  |  |  |  |  |
Investment Company, Net Assets [Roll Forward] |  |  |  |  |  |  |  |
Beginning of the period | 1,398,438 | 1,379,070 | 1,331,269 | 1,305,798 | 1,305,889 | 1,305,945 | 1,331,269 | 1,305,945
Issuances of common stock |  | 19,756 | 47,882 | 6,620 |  |  |  |
Offering costs | (43) | (388) | (81) | (66) | (91) | (56) |  |
Ending of the period | 1,398,395 | 1,398,438 | 1,379,070 | 1,312,352 | 1,305,798 | 1,305,889 | 1,398,395 | 1,312,352
Accumulated Net Investment Income |  |  |  |  |  |  |  |
Investment Company, Net Assets [Roll Forward] |  |  |  |  |  |  |  |
Beginning of the period | 150,998 | 149,467 | 150,407 | 157,756 | 153,406 | 147,593 | 150,407 | 147,593
Distributions declared | (36,668) | (36,669) | (38,265) | (36,338) | (35,328) | (32,300) |  |
Net increase (decrease) in net assets resulting from operations | 35,526 | 38,200 | 37,325 | 40,445 | 39,678 | 38,113 |  |
Ending of the period | 149,856 | 150,998 | 149,467 | 161,863 | 157,756 | 153,406 | 149,856 | 161,863
Accumulated Net Realized (Losses) Gains |  |  |  |  |  |  |  |
Investment Company, Net Assets [Roll Forward] |  |  |  |  |  |  |  |
Beginning of the period | (143,011) | (111,845) | (100,015) | (64,828) | (67,395) | (68,072) | (100,015) | (68,072)
Net increase (decrease) in net assets resulting from operations | (1,959) | (31,166) | (11,830) | 4,673 | 2,567 | 677 |  |
Ending of the period | (144,970) | (143,011) | (111,845) | (60,155) | (64,828) | (67,395) | (144,970) | (60,155)
Net Unrealized Appreciation (Depreciation) |  |  |  |  |  |  |  |
Investment Company, Net Assets [Roll Forward] |  |  |  |  |  |  |  |
Beginning of the period | (33,386) | (60,823) | (62,736) | (73,634) | (66,219) | (72,002) | (62,736) | (72,002)
Net increase (decrease) in net assets resulting from operations | (9,678) | 27,437 | 1,913 | (16,422) | (7,415) | 5,783 |  |
Ending of the period | (43,064) | (33,386) | (60,823) | (90,056) | (73,634) | (66,219) | (43,064) | (90,056)
Non-Controlling Interest in NMNLC |  |  |  |  |  |  |  |
Investment Company, Net Assets [Roll Forward] |  |  |  |  |  |  |  |
Beginning of the period | 12,399 | 12,251 | 11,772 | 11,861 | 11,804 | 11,718 | 11,772 | 11,718
Other | 244 |  |  |  |  |  |  |
Distributions declared | (166) | (165) | (197) | (188) | (191) | (153) |  |
Sale of non-controlling interest in NMNLC | (4,666) |  |  |  |  |  |  |
Net change in unrealized appreciation in NMNLC | (1,533) |  |  |  |  |  |  |
Net increase (decrease) in net assets resulting from operations | 5 | 313 | 676 | 3 | 248 | 239 | 994 | 490
Ending of the period | $ 6,283 | $ 12,399 | $ 12,251 | $ 11,676 | $ 11,861 | $ 11,804 | $ 6,283 | $ 11,676

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