Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2022	Aug. 01, 2022
Document Information Line Items
Entity Registrant Name	PRESIDENTIAL REALTY CORP/DE/
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Amendment Flag	false
Entity Central Index Key	0000731245
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Document Period End Date	Jun. 30, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	001-08594
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	13-1954619
Entity Address, Address Line One	530 Seventh Avenue
Entity Address, Address Line Two	Suite 407
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10018
City Area Code	(914)
Local Phone Number	948-1300
Entity Interactive Data Current	Yes
Class A Common Stock
Document Information Line Items
Entity Common Stock, Shares Outstanding		442,533
Class B Common Stock
Document Information Line Items
Entity Common Stock, Shares Outstanding		4,746,147