Document and Entity Information
Document and Entity Information | Mar. 20, 2023 |
Cover [Abstract] | |
Document Type | 8-K |
Amendment Flag | false |
Document Period End Date | Mar. 20, 2023 |
Entity File Number | 000-14703 |
Entity Registrant Name | NBT BANCORP INC |
Entity Central Index Key | 0000790359 |
Entity Incorporation, State or Country Code | DE |
Entity Tax Identification Number | 16-1268674 |
Entity Address, Address Line One | 52 South Broad Street |
Entity Address, City or Town | Norwich |
Entity Address, State or Province | NY |
Entity Address, Postal Zip Code | 13815 |
City Area Code | 607 |
Local Phone Number | 337-2265 |
Title of 12(b) Security | Common Stock, par value $0.01 per share |
Trading Symbol | NBTB |
Security Exchange Name | NASDAQ |
Entity Emerging Growth Company | false |
Written Communications | false |
Soliciting Material | false |
Pre-commencement Tender Offer | false |
Pre-commencement Issuer Tender Offer | false |