v3.26.1
Earning Per Share - Schedule of Net Income/(Loss) Per Common Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 11 Months Ended 12 Months Ended
Dec. 31, 2023
Dec. 31, 2025
Dec. 31, 2024
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]      
Net income attributable to FNLR shareholders $ (6,281) $ 26,751 $ 11,605
Weighted average common shares outstanding - basic (in shares) 1,587 115,809 55,503
Net income per common share - basic (in dollars per share) $ (3.96) $ 0.23 $ 0.21
Net income attributable to dilutive OP units $ 0 $ 218 $ 0
Net income attributable to FNLR shareholders - dilutive   $ 26,969  
Effect of dilutive OP units (in shares)   527  
Weighted average common shares outstanding - diluted (in shares) 1,587 116,336 55,503
Net income per common share - diluted (in dollars per share) $ (3.96) $ 0.23 $ 0.21
Class S      
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]      
Net income attributable to FNLR shareholders $ 0 $ 0 $ 0
Weighted average common shares outstanding - basic (in shares) 0 2 0
Net income per common share - basic (in dollars per share) $ 0 $ 0 $ 0
Net income attributable to dilutive OP units   $ 0  
Net income attributable to FNLR shareholders - dilutive   $ 0  
Effect of dilutive OP units (in shares)   0  
Weighted average common shares outstanding - diluted (in shares) 0 2 0
Net income per common share - diluted (in dollars per share) $ 0 $ 0 $ 0
Class I      
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]      
Net income attributable to FNLR shareholders $ 0 $ 726 $ 0
Weighted average common shares outstanding - basic (in shares) 0 5,922 0
Net income per common share - basic (in dollars per share) $ 0 $ 0.12 $ 0
Net income attributable to dilutive OP units   $ 0  
Net income attributable to FNLR shareholders - dilutive   $ 726  
Effect of dilutive OP units (in shares)   0  
Weighted average common shares outstanding - diluted (in shares) 0 5,922 0
Net income per common share - diluted (in dollars per share) $ 0 $ 0.12 $ 0
Class F-S      
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]      
Net income attributable to FNLR shareholders $ 0 $ 2,116 $ 69
Weighted average common shares outstanding - basic (in shares) 0 12,050 596
Net income per common share - basic (in dollars per share) $ 0 $ 0.18 $ 0.12
Net income attributable to dilutive OP units   $ 0  
Net income attributable to FNLR shareholders - dilutive   $ 2,116  
Effect of dilutive OP units (in shares)   0  
Weighted average common shares outstanding - diluted (in shares) 0 12,050 596
Net income per common share - diluted (in dollars per share) $ 0 $ 0.18 $ 0.12
Class F-I      
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]      
Net income attributable to FNLR shareholders $ 0 $ 11,597 $ 1,991
Weighted average common shares outstanding - basic (in shares) 0 58,609 17,826
Net income per common share - basic (in dollars per share) $ 0 $ 0.2 $ 0.11
Net income attributable to dilutive OP units   $ 0  
Net income attributable to FNLR shareholders - dilutive   $ 11,597  
Effect of dilutive OP units (in shares)   0  
Weighted average common shares outstanding - diluted (in shares) 0 58,609 17,826
Net income per common share - diluted (in dollars per share) $ 0 $ 0.2 $ 0.11
Class F-I X      
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]      
Net income attributable to FNLR shareholders $ (1,238)   $ 607
Weighted average common shares outstanding - basic (in shares) 407   2,003
Net income per common share - basic (in dollars per share) $ (3.04)   $ 0.3
Weighted average common shares outstanding - diluted (in shares) 407   2,003
Net income per common share - diluted (in dollars per share) $ (3.04)   $ 0.3
Class B-X      
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]      
Net income attributable to FNLR shareholders $ (1,112)   $ 367
Weighted average common shares outstanding - basic (in shares) 271   1,351
Net income per common share - basic (in dollars per share) $ (4.1)   $ 0.27
Weighted average common shares outstanding - diluted (in shares) 271   1,351
Net income per common share - diluted (in dollars per share) $ (4.1)   $ 0.27
Class C      
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]      
Net income attributable to FNLR shareholders $ (3,824)   $ 228
Weighted average common shares outstanding - basic (in shares) 873   579
Net income per common share - basic (in dollars per share) $ (4.38)   $ 0.39
Weighted average common shares outstanding - diluted (in shares) 873   579
Net income per common share - diluted (in dollars per share) $ (4.38)   $ 0.39
Class D-S      
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]      
Net income attributable to FNLR shareholders $ 0 $ 11,471 $ 3,524
Weighted average common shares outstanding - basic (in shares) 0 37,177 16,518
Net income per common share - basic (in dollars per share) $ 0 $ 0.31 $ 0.21
Net income attributable to dilutive OP units   $ 0  
Net income attributable to FNLR shareholders - dilutive   $ 11,471  
Effect of dilutive OP units (in shares)   0  
Weighted average common shares outstanding - diluted (in shares) 0 37,177 16,518
Net income per common share - diluted (in dollars per share) $ 0 $ 0.31 $ 0.21
Class D-X      
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]      
Net income attributable to FNLR shareholders $ 0 $ 77 $ 4,725
Weighted average common shares outstanding - basic (in shares) 0 166 16,327
Net income per common share - basic (in dollars per share) $ 0 $ 0.46 $ 0.29
Net income attributable to dilutive OP units   $ 0  
Net income attributable to FNLR shareholders - dilutive   $ 77  
Effect of dilutive OP units (in shares)   0  
Weighted average common shares outstanding - diluted (in shares) 0 166 16,327
Net income per common share - diluted (in dollars per share) $ 0 $ 0.46 $ 0.29
Class E      
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]      
Net income attributable to FNLR shareholders $ (107) $ 764 $ 94
Weighted average common shares outstanding - basic (in shares) 36 1,882 303
Net income per common share - basic (in dollars per share) $ (2.97) $ 0.41 $ 0.31
Net income attributable to dilutive OP units   $ 218  
Net income attributable to FNLR shareholders - dilutive   $ 982  
Effect of dilutive OP units (in shares)   527  
Weighted average common shares outstanding - diluted (in shares) 36 2,409 303
Net income per common share - diluted (in dollars per share) $ (2.97) $ 0.41 $ 0.31