Cover
| Cover | May 03, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Document Period End Date | May 03, 2024 |
| 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 | Effective on May 3, 2024 (the "Closing Date"), Burke & Herbert Financial Services Corp. ("Burke & Herbert"), a Virginia corporation, completed its previously announced merger with Summit Financial Group, Inc. ("Summit"), a West Virginia corporation, pursuant to the Agreement and Plan of Reorganization and accompanying Plan of Merger (the "Merger Agreement") dated August 24, 2023 between Burke & Herbert and Summit.Pursuant to the Merger Agreement, on the Closing Date, (i) Summit merged with and into Burke & Herbert, with Burke & Herbert continuing as the surviving corporation (the “Merger”), and (ii) immediately following the Merger, Summit Community Bank, Inc., a West Virginia chartered bank and a wholly-owned subsidiary of Summit ("SCB"), merged with and into Burke & Herbert Bank & Trust Company, a Virginia chartered bank and a wholly-owned subsidiary of Burke & Herbert ("Burke & Herbert Bank"), with Burke & Herbert Bank as the surviving bank (the "Bank Merger"). On May 3, 2024, the Company filed a Current Report on Form 8-K, as amended by Amendment No. 1 thereto, reporting the completion of the Merger (the "Original Report"). This Amendment No. 2 is being filed with the Securities and Exchange Commission (the "Commission") solely to amend and supplement item 9.01 of the Original Report, as described in Item 9.01 below. This Amendment No. 2 makes no other amendments to the Original Report.The pro forma financial information included in this Amendment No. 2 has been presented for informational purposes only and does not purport to represent the actual results that Burke & Herbert and Summit would have achieved had the companies been combined during the periods presented, and is not intended to project any future results of operations for the combined company. |