Segment Reporting - Schedule of Total Assets and Financial Results by Segment (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Segment Reporting Information [Line Items]
Total Assets	[1]	$ 705,894		$ 609,671
Revenues
Total revenues		3,663	$ 993
Expenses
Total segment expenses		(1,343)	(92)
Income from investments in real estate debt		11,114	735
Segment net operating income		13,434	1,636
Depreciation and amortization		(1,455)	(283)
General and administrative		(1,537)	(1,105)
Management fee		(1,511)	(399)
Performance participation allocation		(203)
Other income, net		908	834
Net income (loss)		9,636	683
Net income attributable to non-controlling interests in the Operating Partnership		1,697	348
Net income (loss) attributable to ARIS stockholders		7,939	335
Interest Expense, Net
Expenses
Total segment expenses		(770)
Rental Property
Revenues
Total revenues		3,663	993
Expenses
Total segment expenses		(573)	(92)
Operating Segments | Real Estate
Segment Reporting Information [Line Items]
Total Assets		182,382		183,492
Revenues
Total revenues		3,663	993
Expenses
Total segment expenses		(1,140)	(92)
Segment net operating income		2,523	901
Depreciation and amortization		(1,455)	(283)
Operating Segments | Real Estate | Interest Expense, Net
Expenses
Total segment expenses		(567)
Operating Segments | Real Estate | Rental Property
Revenues
Total revenues		3,663	993
Expenses
Total segment expenses		(573)	(92)
Operating Segments | Real Estate Debt
Segment Reporting Information [Line Items]
Total Assets		477,035		330,974
Expenses
Total segment expenses		(203)
Income from investments in real estate debt		11,114	735
Segment net operating income		10,911	$ 735
Operating Segments | Real Estate Debt | Interest Expense, Net
Expenses
Total segment expenses		(203)
Other Corporate
Segment Reporting Information [Line Items]
Total Assets		$ 46,477		$ 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 83% and 81% as of March 31, 2024 and December 31, 2023, respectively. See "Note 2 - Summary of Significant Accounting Policies" for additional information.