XML 35 R6.htm IDEA: XBRL DOCUMENT v3.24.0.1
Consolidated Statements of Changes in Net Assets - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Increase (decrease) in net assets resulting from operations      
Net investment income $ 159,898 $ 119,604 $ 118,840
Net realized (losses) gains on investments, New Mountain Net Lease Corporation ("NMNLC") and foreign currency (32,841) 53,530 (3,849)
Net change in unrealized appreciation (depreciation) of investments, NMNLC and foreign currency 10,416 (85,249) 92,305
Net change in unrealized depreciation of securities purchased under collateralized agreements to resell (39) (4,883) 0
Provision for taxes (1,344) (8,474) (114)
Net increase in net assets resulting from operations 136,090 74,528 207,182
Capital transactions      
Offering costs (369) (222) (231)
Distributions declared to stockholders from net investment income (151,430) (131,955) (117,675)
Beginning of the period 1,326,191 1,342,612 1,236,889
End of the period $ 1,331,723 $ 1,326,191 $ 1,342,612
Capital share activity      
Shares sold (in shares) 1,621,833 2,950,300 914,175
Shares issued from the reinvestment of distributions (in shares) 0 79,285 165,924
Net increase in shares outstanding (in shares) 1,621,833 3,029,585 1,080,099
Non-Controlling Interest in NMNLC      
Increase (decrease) in net assets resulting from operations      
Net increase in net assets resulting from operations $ 747 $ (204) $ 5,783
Capital transactions      
Distributions declared to stockholders from net investment income (693) (9,569) (1,222)
Beginning of the period 11,718 21,367 15,014
End of the period 11,772 11,718 21,367
New Mountain Finance Corporation      
Increase (decrease) in net assets resulting from operations      
Net increase in net assets resulting from operations 135,343 74,732 201,399
Capital transactions      
Net proceeds from shares sold 21,241 40,006 12,427
Offering costs (369) (222) (231)
Distributions declared to stockholders from net investment income (150,737) (122,386) (116,453)
Reinvestment of distributions 0 1,098 2,228
Total net decrease in net assets resulting from capital transactions (129,865) (81,504) (102,029)
Net increase (decrease) in net assets 5,478 (6,772) 99,370
Beginning of the period 1,314,473 1,321,245 1,221,875
End of the period $ 1,319,951 $ 1,314,473 $ 1,321,245