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Minimum Regulatory Capital - Summary of Capital and Capital Ratios to The Bank (Detail) - Blue Ridge Bank, N.A [Member] $ in Thousands | Sep. 30, 2021 USD ($) | Dec. 31, 2020 USD ($)
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Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items] |  |
Total risk based capital, Actual Amount | $ 269,123 | $ 109,219
Total risk based capital, Actual Ratio | 13.15 | 13.10
Total risk based capital, For Capital Adequacy Purposes Amount | $ 214,936 | $ 87,574
Total risk based capital, For Capital Adequacy Purposes Ratio | 10.50 | 10.50
Total risk based capital, To Be Well Capitalized Under the Prompt Corrective Action Provisions Amount | $ 204,701 | $ 83,404
Total risk based capital, To Be Well Capitalized Under the Prompt Corrective Action Provisions Ratio | 10.00 | 10.00
Tier 1 capital to risk-weighted assets, Actual Amount | $ 255,997 | $ 98,751
Tier 1 capital to risk-weighted assets, Actual Ratio | 12.51 | 11.84
Tier 1 capital to risk-weighted assets, For Capital Adequacy Purposes Amount | $ 173,996 | $ 70,893
Tier 1 capital to risk-weighted assets, For Capital Adequacy Purposes Ratio | 8.50 | 8.50
Tier 1 capital to risk-weighted assets, To Be Well Capitalized Under the Prompt Corrective Action Provisions Amount | $ 163,761 | $ 66,723
Tier 1 capital to risk-weighted assets, To Be Well Capitalized Under the Prompt Corrective Action Provisions Ratio | 8.00 | 8.00
Common equity tier 1 capital, Actual Amount | $ 255,997 | $ 98,751
Common equity tier 1 capital, Actual Ratio | 12.51% | 11.84%
Common equity tier 1 capital, For Capital Adequacy Purposes Amount | $ 143,291 | $ 58,383
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 | $ 133,056 | $ 54,213
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 | $ 255,997 | $ 98,751
Tier 1 leverage, Actual Ratio | 9.72 | 8.34
Tier 1 leverage, For Capital Adequacy Purposes Amount | $ 105,358 | $ 47,363
Tier 1 leverage, For Capital Adequacy Purposes Ratio | 4.00 | 4.00
Tier 1 leverage, To Be Well Capitalized Under the Prompt Corrective Action Provisions Amount | $ 131,698 | $ 59,180
Tier 1 leverage, To Be Well Capitalized Under the Prompt Corrective Action Provisions Ratio | 5.00 | 5.00

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