| Cover | Jan. 23, 2025 |
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Document Period End Date | Jan. 23, 2025 |
| Entity Registrant Name | Burke & Herbert Financial Services Corp. |
| Entity Incorporation, State or Country Code | VA |
| Entity File Number | 001-41633 |
| Entity Tax Identification Number | 92-0289417 |
| Entity Address, Address Line One | 100 S. Fairfax Street |
| Entity Address, City or Town | Alexandria |
| Entity Address, State or Province | VA |
| Entity Address, Postal Zip Code | 22314 |
| City Area Code | 703 |
| Local Phone Number | 666-3555 |
| 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 $.50 |
| Trading Symbol | BHRB |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Amendment Flag | true |
| Entity Central Index Key | 0001964333 |
| Amendment Description | This Form 8-K/A amends Item 8.01 of the Form 8-K filed by Burke & Herbert Financial Services Corp. (the “Company”) with the Securities and Exchange Commission on January 29, 2025 to correct the day of the week that the 2025 Annual Shareholder’s Meeting will be held. The 2025 Annual Shareholder’s Meeting will be held on Thursday, May 22, 2025 at 8:00 a.m. eastern time. The original Form 8-K erroneously stated that the 2025 Annual Meeting would be held on a Tuesday. No other changes have been made. |
