| Document And Entity Information | Nov. 01, 2024 |
| Document Information [Line Items] | |
| Entity, Registrant Name | Home Federal Bancorp, Inc. of Louisiana |
| Document, Type | 8-K |
| Document, Period End Date | Nov. 01, 2024 |
| Entity, Incorporation, State or Country Code | LA |
| Entity, File Number | 001-35019 |
| Entity, Tax Identification Number | 02-0815311 |
| Entity, Address, Address Line One | 624 Market Street |
| Entity, Address, City or Town | Shreveport |
| Entity, Address, State or Province | LA |
| Entity, Address, Postal Zip Code | 71101 |
| City Area Code | 318 |
| Local Phone Number | 222-1145 |
| 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 | HFBL |
| Security Exchange Name | NASDAQ |
| Entity, Emerging Growth Company | false |
| Amendment Flag | false |
| Entity, Central Index Key | 0001500375 |
