Document and Entity Information
Document and Entity Information | Nov. 01, 2019 |
Cover [Abstract] | |
Entity Registrant Name | BANNER CORP |
Amendment Flag | false |
Entity Central Index Key | 0000946673 |
Document Type | 8-K |
Document Period End Date | Nov. 1, 2019 |
Entity Incorporation State Country Code | WA |
Entity File Number | 0-26584 |
Entity Tax Identification Number | 91-1691604 |
Entity Address, Address Line One | 10 S. First Avenue |
Entity Address, City or Town | Walla Walla |
Entity Address, State or Province | WA |
Entity Address, Postal Zip Code | 99362 |
City Area Code | (509) |
Local Phone Number | 527-3636 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Security 12b Title | Common Stock, par value $.01 per share |
Trading Symbol | BANR |
Security Exchange Name | NASDAQ |
Entity Emerging Growth Company | false |