Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2021	May 07, 2021
Document And Entity Information [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2021
Document Transition Report	false
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Entity File Number	000-53528
Entity Registrant Name	Embassy Bancorp, Inc.
Entity Incorporation, State or Country Code	PA
Entity Tax Identification Number	26-3339011
Entity Address, Address Line One	One Hundred Gateway Drive
Entity Address, Address Line Two	Suite 100
Entity Address, City or Town	Bethlehem
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	18017
City Area Code	610
Local Phone Number	882-8800
Title of 12(b) Security	None
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		7,516,783
Entity Central Index Key	0001449794
Amendment Flag	false