Document and Entity Information
Document and Entity Information | Sep. 02, 2020 |
Cover [Abstract] | |
Amendment Flag | false |
Entity Central Index Key | 0001471265 |
Document Type | 8-K |
Document Period End Date | Sep. 2, 2020 |
Entity Registrant Name | NORTHWEST BANCSHARES, INC. |
Entity Incorporation State Country Code | MD |
Entity File Number | 001-34582 |
Entity Tax Identification Number | 27-0950358 |
Entity Address, Address Line One | 100 Liberty Street |
Entity Address, City or Town | Warren |
Entity Address, State or Province | PA |
Entity Address, Postal Zip Code | 16365 |
City Area Code | (814) |
Local Phone Number | 726-2140 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Security 12b Title | Common Stock, par value $0.01 per share |
Trading Symbol | NWBI |
Security Exchange Name | NASDAQ |
Entity Emerging Growth Company | false |