Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2024	Oct. 10, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2024
Document Fiscal Year Focus	2024
Document Transition Report	false
Securities Act File Number	001-39143
Entity Registrant Name	ALPINE INCOME PROPERTY TRUST, INC.
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	84-2769895
Entity Address, Address Line One	369 N. New York Avenue
Entity Address, Address Line Two	Suite 201
Entity Address, City or Town	Winter Park
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	32789
City Area Code	386
Local Phone Number	274-2202
Title of 12(b) Security	COMMON STOCK, $0.01 PAR VALUE
Trading Symbol	PINE
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	true
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		14,272,978
Current Fiscal Year End Date	--12-31
Entity Central Index Key	0001786117
Document Fiscal Period Focus	Q3
Amendment Flag	false