v3.26.1
Notes Payable & Repurchase Agreement - Summary of Outstanding Debt Obligations (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
Aggregate Principal Committed $ 101,942 $ 102,066
Outstanding Principal 1,942 2,066
Unused Portion 100,000 100,000
Carrying Value 1,942 2,066
Fair Value 1,942 [1] 2,066 [2]
Series I    
Debt Instrument [Line Items]    
Aggregate Principal Committed 24,833 24,857
Outstanding Principal 971 995
Unused Portion 23,862 23,862
Carrying Value 971 995
Fair Value 971 [1] 995 [2]
Series II    
Debt Instrument [Line Items]    
Aggregate Principal Committed 77,109 77,209
Outstanding Principal 971 1,071
Unused Portion 76,138 76,138
Carrying Value 971 1,071
Fair Value 971 [1] 1,071 [2]
Promissory Notes    
Debt Instrument [Line Items]    
Aggregate Principal Committed 1,942 1,942
Outstanding Principal 1,942 1,942
Unused Portion 0 0
Carrying Value 1,942 1,942
Fair Value 1,942 [1] 1,942 [2]
Promissory Notes | Series I    
Debt Instrument [Line Items]    
Aggregate Principal Committed 971 971
Outstanding Principal 971 971
Unused Portion 0 0
Carrying Value 971 971
Fair Value 971 [1] 971 [2]
Promissory Notes | Series II    
Debt Instrument [Line Items]    
Aggregate Principal Committed 971 971
Outstanding Principal 971 971
Unused Portion 0 0
Carrying Value 971 971
Fair Value 971 [1] 971 [2]
ACMP Holdings, LLC Facility    
Debt Instrument [Line Items]    
Aggregate Principal Committed 100,000 100,000
Outstanding Principal 0 0
Unused Portion 100,000 100,000
Carrying Value 0 0
Fair Value 0 [1] 0 [2]
ACMP Holdings, LLC Facility | Series I    
Debt Instrument [Line Items]    
Aggregate Principal Committed 23,862 23,862
Outstanding Principal 0 0
Unused Portion 23,862 23,862
Carrying Value 0 0
Fair Value 0 [1] 0 [2]
ACMP Holdings, LLC Facility | Series II    
Debt Instrument [Line Items]    
Aggregate Principal Committed 76,138 76,138
Outstanding Principal 0 0
Unused Portion 76,138 76,138
Carrying Value 0 0
Fair Value $ 0 [1] 0 [2]
REIT Funding Cumulative Preferred Shares    
Debt Instrument [Line Items]    
Aggregate Principal Committed   124
Outstanding Principal   124
Unused Portion   0
Carrying Value   124
Fair Value [2]   124
REIT Funding Cumulative Preferred Shares | Series I    
Debt Instrument [Line Items]    
Aggregate Principal Committed   24
Outstanding Principal   24
Unused Portion   0
Carrying Value   24
Fair Value [2]   24
REIT Funding Cumulative Preferred Shares | Series II    
Debt Instrument [Line Items]    
Aggregate Principal Committed   100
Outstanding Principal   100
Unused Portion   0
Carrying Value   100
Fair Value [2]   $ 100
[1] The carrying amount outstanding under these debt obligations approximate their fair value as of June 30, 2026.
[2] The carrying amount outstanding under these debt obligations approximate their fair value as of December 31, 2025.