v3.26.1
Cover
Apr. 27, 2026
Apr. 23, 2026
Cover [Abstract]    
Document Type 8-K  
Document Period End Date Apr. 27, 2026  
Entity Registrant Name Meridian Corp  
Entity Incorporation, State or Country Code PA  
Entity File Number 000-55983  
Entity Tax Identification Number 83-1561918  
Entity Address, Address Line One 9 Old Lincoln Highway, Malvern, Pennsylvania  
Entity Address, City or Town Malvern  
Entity Address, State or Province PA  
Entity Address, Postal Zip Code 19355  
City Area Code (484) 568-5000Registrant’s telephone number, including area code  
Local Phone Number (484) 568-5000Registrant’s telephone number, including area code  
Written Communications false  
Soliciting Material false  
Pre-commencement Tender Offer false  
Pre-commencement Issuer Tender Offer false  
Entity Emerging Growth Company false  
Title of 12(b) Security Common Stock, $1 par value  
Trading Symbol MRBK  
Security Exchange Name   NASDAQ
Entity Central Index Key 0001750735  
Amendment Flag false