Notes Payable - Summary of Outstanding Debt Obligations (Details) - USD ($) $ in Thousands		Mar. 31, 2025		Dec. 31, 2024
Debt Instrument [Line Items]
Aggregate Principal Committed		$ 101,627
Outstanding Principal		31,627
Unused Portion		70,000
Carrying Value		31,627
Fair Value	[1]	31,627
Series I
Debt Instrument [Line Items]
Aggregate Principal Committed		24,643
Outstanding Principal		7,940
Unused Portion		16,704
Carrying Value		7,940
Fair Value	[1]	7,940
Series II
Debt Instrument [Line Items]
Aggregate Principal Committed		76,984
Outstanding Principal		23,687
Unused Portion		53,296
Carrying Value		23,687
Fair Value	[1]	23,687
Promissory Notes
Debt Instrument [Line Items]
Aggregate Principal Committed		1,502		$ 1,502
Outstanding Principal		1,502		1,502
Carrying Value		1,502		1,502
Fair Value		1,502	[1]	1,502	[2]
Promissory Notes | Series I
Debt Instrument [Line Items]
Aggregate Principal Committed		751		751
Outstanding Principal		751		751
Carrying Value		751		751
Fair Value		751	[1]	751	[2]
Promissory Notes | Series II
Debt Instrument [Line Items]
Aggregate Principal Committed		751		751
Outstanding Principal		751		751
Carrying Value		751		751
Fair Value		751	[1]	$ 751	[2]
ACMP Holdings, LLC Facility
Debt Instrument [Line Items]
Aggregate Principal Committed		100,000
Outstanding Principal		30,000
Unused Portion		70,000
Carrying Value		30,000
Fair Value	[1]	30,000
ACMP Holdings, LLC Facility | Series I
Debt Instrument [Line Items]
Aggregate Principal Committed		23,862
Outstanding Principal		7,159
Unused Portion		16,704
Carrying Value		7,159
Fair Value	[1]	7,159
ACMP Holdings, LLC Facility | Series II
Debt Instrument [Line Items]
Aggregate Principal Committed		76,138
Outstanding Principal		22,841
Unused Portion		53,296
Carrying Value		22,841
Fair Value	[1]	22,841
REIT Funding Cumulative Preferred Shares
Debt Instrument [Line Items]
Aggregate Principal Committed		125
Outstanding Principal		125
Carrying Value		125
Fair Value	[1]	125
REIT Funding Cumulative Preferred Shares | Series I
Debt Instrument [Line Items]
Aggregate Principal Committed		30
Outstanding Principal		30
Carrying Value		30
Fair Value	[1]	30
REIT Funding Cumulative Preferred Shares | Series II
Debt Instrument [Line Items]
Aggregate Principal Committed		95
Outstanding Principal		95
Carrying Value		95
Fair Value	[1]	$ 95

[1] The carrying amount outstanding under these debt obligations approximate their fair value as of March 31, 2025.

[2] The carrying amount outstanding under these debt obligations approximate their fair value as of December 31, 2024.