Document And Entity Information
Document And Entity Information | Nov. 02, 2020 |
Document Information [Line Items] | |
Entity, Registrant Name | OTTER TAIL CORPORATION |
Document, Type | 8-K |
Document, Period End Date | Nov. 2, 2020 |
Entity, Incorporation, State or Country Code | MN |
Entity, File Number | 0-53713 |
Entity, Tax Identification Number | 27-0383995 |
Entity, Address, Address Line One | 215 South Cascade Street, P.O. Box 496 |
Entity, Address, City or Town | Fergus Falls |
Entity, Address, State or Province | MN |
Entity, Address, Postal Zip Code | 56538-0496 |
City Area Code | 866 |
Local Phone Number | 410-8780 |
Written Communications | false |
Soliciting Material | false |
Pre-commencement Tender Offer | false |
Pre-commencement Issuer Tender Offer | false |
Title of 12(b) Security | Common Shares |
Trading Symbol | OTTR |
Security Exchange Name | NASDAQ |
Entity, Emerging Growth Company | false |
Amendment Flag | false |
Entity, Central Index Key | 0001466593 |