Cover Page - shares	6 Months Ended
	Jun. 30, 2025	Aug. 07, 2025
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2025
Document Transition Report	false
Entity File Number	001-36769
Entity Registrant Name	FRP HOLDINGS, INC.
Entity Incorporation, State or Country Code	FL
Entity Tax Identification Number	47-2449198
Entity Address, Address Line One	200 W. Forsyth St.
Entity Address, Address Line Two	7th Floor
Entity Address, City or Town	Jacksonville
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	32202
City Area Code	904
Local Phone Number	858-9100
Title of 12(b) Security	Common Stock, $.10 par value
Trading Symbol	FRPH
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		19,109,234
Entity Central Index Key	0000844059
Current Fiscal Year End Date	--12-31
Amendment Flag	false
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	Q2