v3.23.1
Cover Page Document
Jun. 06, 2023
Cover page. [Abstract]  
Document Type 8-K
Document Period End Date Jun. 06, 2023
Entity Registrant Name Northwest Bancshares, Inc.
Entity Incorporation, State or Country Code MD
Entity File Number 001-34582
Entity Tax Identification Number 27-0950358
Entity Address, Address Line One 3 Easton Oval
Entity Address, City or Town Columbus
Entity Address, State or Province OH
Entity Address, Postal Zip Code 43219
City Area Code 814
Local Phone Number 726-2140
Title of 12(b) Security Common Stock, 0.01 Par Value
Trading Symbol NWBI
Security Exchange Name NASDAQ
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0001471265
Amendment Flag false
Entity Address, Address Line Two Suite 500