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Minimum Regulatory Capital Requirements - Summary of Capital Requirements Administered by Banking Agencies Capital Ratios (Detail) $ in Thousands | Sep. 30, 2025 USD ($) | Dec. 31, 2024 USD ($)
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Blue Ridge Bank, N.A [Member] |  |
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items] |  |
Total risk based capital, Actual Amount | $ 365,989 | $ 358,848
Total risk based capital, Actual Ratio | 0.1996 | 0.1726
Total risk based capital, For Capital Adequacy Purposes Amount | $ 192,507 | $ 218,260
Total risk based capital, For Capital Adequacy Purposes Ratio | 0.105 | 0.105
Total risk based capital, To Be Well Capitalized Under the Prompt Corrective Action Provisions Amount | $ 183,340 | $ 207,866
Total risk based capital, To Be Well Capitalized Under the Prompt Corrective Action Provisions Ratio | 0.10 | 0.10
Capital Required for Individual Minimum Capital Ratio | $ 238,342 | $ 270,226
Capital Required Minimum Capital Ratio To Risk Weighted Assets | 13.00% | 13.00%
Tier 1 capital to risk-weighted assets, Actual Amount | $ 347,348 | $ 340,386
Tier 1 capital to risk-weighted assets, Actual Ratio | 0.1895 | 0.1638
Tier 1 capital to risk-weighted assets, For Capital Adequacy Purposes Amount | $ 155,840 | $ 176,687
Tier 1 capital to risk-weighted assets, For Capital Adequacy Purposes Ratio | 0.085 | 0.085
Tier 1 capital to risk-weighted assets, To Be Well Capitalized Under the Prompt Corrective Action Provisions Amount | $ 146,673 | $ 166,293
Tier 1 capital to risk-weighted assets, To Be Well Capitalized Under the Prompt Corrective Action Provisions Ratio | 0.08 | 0.08
Common equity tier 1 capital, Actual Amount | $ 347,348 | $ 340,386
Common equity tier 1 capital, Actual Ratio | 18.95% | 16.38%
Common equity tier 1 capital, For Capital Adequacy Purposes Amount | $ 128,338 | $ 145,507
Common equity tier 1 capital, For Capital Adequacy Purposes Ratio | 7.00% | 7.00%
Common equity tier 1 capital, To Be Well Capitalized Under the Prompt Corrective Action Provisions Amount | $ 119,171 | $ 135,113
Common equity tier 1 capital, To Be Well Capitalized Under the Prompt Corrective Action Provisions Ratio | 6.50% | 6.50%
Tier 1 leverage, Actual Amount | $ 347,348 | $ 340,386
Tier 1 leverage, Actual Ratio | 0.1367 | 0.118
Tier 1 leverage, For Capital Adequacy Purposes Amount | $ 101,650 | $ 115,364
Tier 1 leverage, For Capital Adequacy Purposes Ratio | 0.04 | 0.04
Tier 1 leverage, To Be Well Capitalized Under the Prompt Corrective Action Provisions Amount | $ 127,062 | $ 144,204
Tier 1 leverage, To Be Well Capitalized Under the Prompt Corrective Action Provisions Ratio | 0.05 | 0.05
Tier 1 leverage, Individual Minimum Capital Ratio Amount | $ 254,125 | $ 288,409
Tier 1 leverage, Individual Minimum Capital Ratio | 10.00% | 10.00%
Blue Ridge Bankshares, Inc. [Member] |  |
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items] |  |
Total risk based capital, Actual Amount | $ 407,122 | $ 414,284
Total risk based capital, Actual Ratio | 0.2202 | 0.1979
Total risk based capital, For Capital Adequacy Purposes Amount | $ 147,898 | $ 167,444
Total risk based capital, For Capital Adequacy Purposes Ratio | 0.08 | 0.08
Tier 1 capital to risk-weighted assets, Actual Amount | $ 376,650 | $ 360,933
Tier 1 capital to risk-weighted assets, Actual Ratio | 0.2037 | 0.1724
Tier 1 capital to risk-weighted assets, For Capital Adequacy Purposes Amount | $ 110,924 | $ 125,583
Tier 1 capital to risk-weighted assets, For Capital Adequacy Purposes Ratio | 0.06 | 0.06
Common equity tier 1 capital, Actual Amount | $ 376,650 | $ 360,933
Common equity tier 1 capital, Actual Ratio | 20.37% | 17.24%
Common equity tier 1 capital, For Capital Adequacy Purposes Amount | $ 83,193 | $ 94,187
Common equity tier 1 capital, For Capital Adequacy Purposes Ratio | 4.50% | 4.50%
Tier 1 leverage, Actual Amount | $ 376,650 | $ 360,933
Tier 1 leverage, Actual Ratio | 0.147 | 0.1243
Tier 1 leverage, For Capital Adequacy Purposes Amount | $ 102,518 | $ 116,169
Tier 1 leverage, For Capital Adequacy Purposes Ratio | 0.04 | 0.04

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