v3.25.2
Manager and Other Related Parties - Summary of Organization and Offering Expenses (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Managers And Other Related Parties Details [Line Items]        
Balance, January 1     $ (62,913)  
O&O expenses paid by RMC     (5)  
Balance, June 30 $ (60,453)   (60,453)  
Unallocated Organization and Offering Expenses [Member]        
Managers And Other Related Parties Details [Line Items]        
Balance, January 1 409 $ 671 471 $ 742
O&O expenses allocated (56) (60) (113) (121)
O&O expenses paid by RMC [1]     (11) (18)
Balance, June 30 $ 347 $ 603 $ 347 $ 603
[1] RMC is obligated per the Operating Agreement to repay RMI IX for the amount of unallocated O&O expenses attributed to a member’s capital account if the member redeems prior to the 40 quarterly allocations. RMC estimated its future obligation to repay unallocated O&O expenses on scheduled redemptions as of June 30, 2025, to be approximately $5 thousand.