| Document And Entity Information | Jul. 24, 2024 |
| Document Information [Line Items] | |
| Entity, Registrant Name | FINWARD BANCORP |
| Document, Type | 8-K |
| Document, Period End Date | Jul. 24, 2024 |
| Entity, Incorporation, State or Country Code | IN |
| Entity, File Number | 001-40999 |
| Entity, Tax Identification Number | 35-1927981 |
| Entity, Address, Address Line One | 9204 Columbia Avenue |
| Entity, Address, City or Town | Munster |
| Entity, Address, State or Province | IN |
| Entity, Address, Postal Zip Code | 46321 |
| City Area Code | 219 |
| Local Phone Number | 836-4400 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common stock |
| Trading Symbol | FNWD |
| Security Exchange Name | NASDAQ |
| Entity, Emerging Growth Company | false |
| Amendment Flag | false |
| Entity, Central Index Key | 0000919864 |
