Document and Entity Information
Document and Entity Information | Jul. 07, 2021 |
Cover [Abstract] | |
Entity Registrant Name | CENTURY BANCORP INC |
Amendment Flag | false |
Entity Central Index Key | 0000812348 |
Document Type | 8-K |
Document Period End Date | Jul. 7, 2021 |
Entity Incorporation State Country Code | MA |
Entity File Number | 0-15752 |
Entity Tax Identification Number | 04-2498617 |
Entity Address, Address Line One | 400 Mystic Avenue |
Entity Address, City or Town | Medford |
Entity Address, State or Province | MA |
Entity Address, Postal Zip Code | 02155 |
City Area Code | (781) |
Local Phone Number | 391-4000 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Security 12b Title | Class A Common Stock, $1.00 par value |
Trading Symbol | CNBKA |
Security Exchange Name | NASDAQ |
Entity Emerging Growth Company | false |