v3.26.1
MEMBERS' CAPITAL - Distributions Declared and Payable (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dividends Payable [Line Items]    
Per Unit Amount (in dollars per unit) $ 0.4657 $ 0.4796
Total Amount $ 7,365 $ 5,064
O 2025 M1 Aggregate Dividends [Member]    
Dividends Payable [Line Items]    
Per Unit Amount (in dollars per unit)   $ 0.143
Total Amount   $ 1,398
O 2025 M2 Aggregate Dividends [Member]    
Dividends Payable [Line Items]    
Per Unit Amount (in dollars per unit)   $ 0.1429
Total Amount   $ 1,492
O 2025 M3 Aggregate Dividends [Member]    
Dividends Payable [Line Items]    
Per Unit Amount (in dollars per unit)   $ 0.143
Total Amount   $ 1,605
S 2025 M1 Aggregate Dividends [Member]    
Dividends Payable [Line Items]    
Per Unit Amount (in dollars per unit)   $ 0.0507
Total Amount [1]   $ 569
O 2026 M1 Aggregate Dividends [Member]    
Dividends Payable [Line Items]    
Per Unit Amount (in dollars per unit) $ 0.1425  
Total Amount $ 2,164  
O 2026 M2 Aggregate Dividends [Member]    
Dividends Payable [Line Items]    
Per Unit Amount (in dollars per unit) $ 0.1419  
Total Amount $ 2,262  
O 2026 M3 Aggregate Dividends [Member]    
Dividends Payable [Line Items]    
Per Unit Amount (in dollars per unit) $ 0.1433  
Total Amount $ 2,323  
S 2026 M3 Aggregate Dividends [Member]    
Dividends Payable [Line Items]    
Per Unit Amount (in dollars per unit) $ 0.038  
Total Amount [1] $ 616  
[1] Represents a special distribution.