Orion Properties Inc. Annual report [Section 13 and 15(d), not S-K Item 405]

Organization (Details) ft² in Millions	Dec. 31, 2024 ft² building property state $ / shares	Dec. 31, 2023 $ / shares
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Common stock, par value (in dollars per share) \| $ / shares	$ 0.001	$ 0.001
Arch Street Joint Venture
Real Estate Properties [Line Items]
Number of properties \| property	6
Area of real estate property \| ft²	1.0
Number of states with real estate properties owned \| state	6
Property In Amherst, New York
Real Estate Properties [Line Items]
Number of properties \| building	2
Property In Denver, Colorado
Real Estate Properties [Line Items]
Number of properties \| building	2
Operating Properties
Real Estate Properties [Line Items]
Number of properties \| property	69
Area of real estate property \| ft²	7.9
Number of states with real estate properties owned \| state	29
Operating Properties \| Amherst, New York and Denver, Colorado
Real Estate Properties [Line Items]
Number of properties \| property	4
Non-Operating Properties
Real Estate Properties [Line Items]
Number of properties \| building	7