XML 17 R1.htm IDEA: XBRL DOCUMENT v3.20.4
Cover Page - USD ($)
12 Months Ended
Dec. 31, 2020
Feb. 24, 2021
Jun. 30, 2020
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2020    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-35746    
Entity Registrant Name BRYN MAWR BANK CORP    
Entity Incorporation, State or Country Code PA    
Entity Tax Identification Number 23-2434506    
Entity Address, Address Line One 801 Lancaster Avenue    
Entity Address, City or Town Bryn Mawr    
Entity Address, State or Province PA    
Entity Address, Postal Zip Code 19010    
City Area Code (610)    
Local Phone Number 525-1700    
Title of 12(b) Security Common Stock ($1 par value)    
Trading Symbol BMTC    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 543,510,131
Entity Common Stock, Shares Outstanding   19,879,922  
Documents Incorporated by Reference Portions of the Definitive Proxy Statement of registrant to be filed with the Commission pursuant to Regulation 14A with respect to the registrant’s Annual Meeting of Shareholders to be held on April 22, 2021 (“2021 Proxy Statement”), as indicated in Parts II and III, are incorporated into this Form 10-K by reference.    
Entity Central Index Key 0000802681    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Amendment Flag false