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Regulatory Capital Matters - Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations (Details) $ in Thousands | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
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Consolidated |  |
Total Capital to risk-weighted assets |  |
Actual Amount | $ 930,753 | $ 443,799
Actual Ratio | 0.1457 | 0.1788
Minimum Required for Capital Amount | $ 670,590 | $ 260,694
Minimum Required for Capital Ratio | 0.105 | 0.105
Minimum Required to be Well Capitalized Amount | $ 638,658 | $ 248,280
Tier 1 (Core) Capital to risk-weighted assets |  |
Actual Amount | $ 763,842 | $ 418,244
Actual Ratio | 0.1196 | 0.1685
Minimum Required for Capital Adequacy Purposes (includes applicable capital conservation buffer) Amount | $ 542,859 | $ 211,038
Minimum Required for Capital Adequacy Purposes (includes applicable capital conservation buffer) Ratio | 0.085 | 0.085
To Be Well Capitalized Under Prompt Corrective Action Regulations Amount | $ 510,926 | $ 198,624
Common Tier 1 (CET 1) to risk-weighted assets |  |
Actual Amount | $ 736,416 | $ 418,244
Actual Ratio | 0.1153 | 0.1685
Minimum Required for Capital Adequacy Purposes (includes applicable capital conservation buffer) Amount | $ 447,060 | $ 173,796
Minimum Required for Capital Adequacy Purposes (includes applicable capital conservation buffer) Ratio | 0.070 | 0.070
To Be Well Capitalized Under Prompt Corrective Action Regulations Amount | $ 415,127 | $ 161,382
Tier 1 (Core) Capital to average assets (leverage ratio) |  |
Actual Amount | $ 736,416 | $ 418,244
Actual Ratio | 0.0980 | 0.1131
Minimum Required for Capital Adequacy Purposes (includes applicable capital conservation buffer) Amount | $ 311,904 | $ 147,965
Minimum Required for Capital Adequacy Purposes (includes applicable capital conservation buffer) Ratio | 0.040 | 0.040
To Be Well Capitalized Under Prompt Corrective Action Regulations Amount | $ 389,880 | $ 184,957
Burke & Herbert Bank & Trust |  |
Total Capital to risk-weighted assets |  |
Actual Amount | $ 919,843 | $ 442,414
Actual Ratio | 0.1441 | 0.1782
Minimum Required for Capital Amount | $ 670,028 | $ 260,626
Minimum Required for Capital Ratio | 0.105 | 0.105
Minimum Required to be Well Capitalized Amount | $ 638,122 | $ 248,215
Minimum Required to be Well Capitalized Ratio | 0.100 | 0.100
Tier 1 (Core) Capital to risk-weighted assets |  |
Actual Amount | $ 847,804 | $ 416,859
Actual Ratio | 0.1329 | 0.1679
Minimum Required for Capital Adequacy Purposes (includes applicable capital conservation buffer) Amount | $ 542,404 | $ 210,983
Minimum Required for Capital Adequacy Purposes (includes applicable capital conservation buffer) Ratio | 0.085 | 0.085
To Be Well Capitalized Under Prompt Corrective Action Regulations Amount | $ 510,498 | $ 198,572
To Be Well Capitalized Under Prompt Corrective Action Regulations Ratio | 0.080 | 0.080
Common Tier 1 (CET 1) to risk-weighted assets |  |
Actual Amount | $ 847,804 | $ 416,859
Actual Ratio | 0.1329 | 0.1679
Minimum Required for Capital Adequacy Purposes (includes applicable capital conservation buffer) Amount | $ 446,686 | $ 173,751
Minimum Required for Capital Adequacy Purposes (includes applicable capital conservation buffer) Ratio | 0.070 | 0.070
To Be Well Capitalized Under Prompt Corrective Action Regulations Amount | $ 414,779 | $ 161,340
To Be Well Capitalized Under Prompt Corrective Action Regulations Ratio | 0.065 | 0.065
Tier 1 (Core) Capital to average assets (leverage ratio) |  |
Actual Amount | $ 847,804 | $ 416,859
Actual Ratio | 0.1088 | 0.1127
Minimum Required for Capital Adequacy Purposes (includes applicable capital conservation buffer) Amount | $ 311,616 | $ 147,986
Minimum Required for Capital Adequacy Purposes (includes applicable capital conservation buffer) Ratio | 0.040 | 0.040
To Be Well Capitalized Under Prompt Corrective Action Regulations Amount | $ 389,520 | $ 184,982
To Be Well Capitalized Under Prompt Corrective Action Regulations Ratio | 0.050 | 0.050

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