Segment Reporting - Schedule of Total Assets and Financial Results by Segment (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Segment Reporting Information [Line Items]
Total Assets	[1]	$ 1,160,734		$ 1,160,734		$ 609,671
Revenues
Total revenues		6,302	$ 1,543	15,020	$ 3,590
Expenses
Total segment expenses		(5,565)	(208)	(9,616)	(412)
Income from investments in real estate debt		17,366	5,411	41,931	9,306
Segment net operating income		18,103	6,746	47,335	12,484
Depreciation and amortization		(2,793)	(572)	(6,375)	(1,200)
General and administrative		(1,424)	(1,786)	(4,703)	(4,320)
Management fee		(2,121)	(1,041)	(5,437)	(2,139)
Performance participation allocation		(75)	(211)	(347)	(358)
Other income		1,549	2,153	4,022	4,550
Net income (loss)		13,239	5,289	34,495	9,017
Net income attributable to non-controlling interests in the Operating Partnership		1,709	1,378	5,127	2,851
Net income (loss) attributable to preferred stockholders				7
Net income (loss) attributable to ARIS stockholders		11,530	3,911	29,361	6,166
Interest Expense, Net
Expenses
Total segment expenses		(4,091)		(6,745)
Rental Property
Revenues
Total revenues		6,302	1,543	15,020	3,590
Expenses
Total segment expenses		(1,474)	(208)	(2,871)	(412)
Operating Segments | Real Estate
Segment Reporting Information [Line Items]
Total Assets		285,349		285,349		183,492
Revenues
Total revenues		6,302	1,543	15,020	3,590
Expenses
Total segment expenses		(2,040)	(208)	(4,568)	(412)
Segment net operating income		4,262	1,335	10,452	3,178
Depreciation and amortization		(2,793)	(572)	(6,375)	(1,200)
Operating Segments | Real Estate | Interest Expense, Net
Expenses
Total segment expenses		(566)		(1,697)
Operating Segments | Real Estate | Rental Property
Revenues
Total revenues		6,302	1,543	15,020	3,590
Expenses
Total segment expenses		(1,474)	(208)	(2,871)	(412)
Operating Segments | Real Estate Debt
Segment Reporting Information [Line Items]
Total Assets		733,104		733,104		330,974
Expenses
Total segment expenses		(3,525)		(5,048)
Income from investments in real estate debt		17,366	5,411	41,931	9,306
Segment net operating income		13,841	$ 5,411	36,883	$ 9,306
Operating Segments | Real Estate Debt | Interest Expense, Net
Expenses
Total segment expenses		(3,525)		(5,048)
Other Corporate
Segment Reporting Information [Line Items]
Total Assets		$ 142,281		$ 142,281		$ 95,205

[1] Represents the consolidated assets and liabilities of ARIS Operating Partnership L.P., a Delaware limited partnership (the "Operating Partnership"). The Operating Partnership is a consolidated variable interest entity ("VIE"), of which the Company is the sole general partner and owns approximately 88% and 81% as of September 30, 2024 and December 31, 2023, respectively. See "Note 2 - Summary of Significant Accounting Policies" for additional information.