v3.26.1
MEMBERS' CAPITAL - Unit Repurchase Program (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Equity [Abstract]        
Percent of unit authorized to be purchased each quarter 5.00%   5.00%  
Percentage of Outstanding Units the Company Offered to Repurchase 5.00% [1] 5.00% [2] 5.00% [1] 5.00% [2]
Price Paid Per Unit (in dollars per share) $ 19.83 $ 20.18    
Amount Repurchased $ 14,819 $ 5,024 $ 14,819 $ 5,024
Number of Units Repurchased (in units) 747,294 248,972    
Percentage of Outstanding Units Repurchased 5.00% [1] 2.83% [2] 5.00% [1] 2.83% [2]
Maximum number of units that may yet be purchased under the repurchase program (in units) 0 [3] 0 [4] 0 [3] 0 [4]
[1] Percentage is based on total units as of the close of the previous calendar quarter.
[2] Percentage is based on total units as of the close of the previous calendar quarter.
[3] Due to oversubscription of the tender offer, the Company accepted for purchase on a pro rata basis approximately 73.2% of the Units validly tendered and not properly withdrawn prior to the expiration of the tender offer on March 7, 2026.
[4] All repurchase requests were satisfied in full.