Document and Entity Information
Document and Entity Information | Oct. 26, 2021 |
Cover [Abstract] | |
Security Exchange Name | NASDAQ |
Amendment Flag | false |
Entity Central Index Key | 0000774569 |
Document Type | 8-K |
Document Period End Date | Oct. 26, 2021 |
Entity Registrant Name | CORTLAND BANCORP INC |
Entity Incorporation State Country Code | OH |
Entity File Number | 001-38827 |
Entity Tax Identification Number | 34-1451118 |
Entity Address, Address Line One | 194 West Main Street |
Entity Address, City or Town | Cortland |
Entity Address, State or Province | OH |
Entity Address, Postal Zip Code | 44410 |
City Area Code | (330) |
Local Phone Number | 637-8040 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Security 12b Title | Common stock, No Par Value |
Trading Symbol | CLDB |
Entity Emerging Growth Company | false |