| Cover | Feb. 24, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Oct. 16, 2024 |
| Entity Registrant Name | HOME BANCSHARES, INC. |
| Entity Incorporation, State or Country Code | AR |
| Entity File Number | 001-41093 |
| Entity Tax Identification Number | 71-0682831 |
| Entity Address, Address Line One | 719 Harkrider |
| Entity Address, Address Line Two | Suite 100 |
| Entity Address, City or Town | Conway |
| Entity Address, State or Province | AR |
| Entity Address, Postal Zip Code | 72032 |
| City Area Code | 501 |
| Local Phone Number | 339-2929 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.01 per share |
| Trading Symbol | HOMB |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001331520 |
| Amendment Flag | false |
