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Minimum Regulatory Capital Requirements - Summary of Capital Requirements Administered by Banking Agencies Capital Ratios (Detail) - Blue Ridge Bank, N.A [Member] $ in Thousands | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
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Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items] |  |
Total risk based capital, Actual Amount | $ 109,219 | $ 79,911
Total risk based capital, Actual Ratio | 13.10 | 11.82
Total risk based capital, For Capital Adequacy Purposes Amount | $ 87,574 | $ 71,007
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 | $ 83,404 | $ 67,626
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 | $ 98,751 | $ 75,339
Tier 1 capital to risk-weighted assets, Actual Ratio | 11.84 | 11.14
Tier 1 capital to risk-weighted assets, For Capital Adequacy Purposes Amount | $ 70,893 | $ 57,482
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 | $ 66,723 | $ 54,101
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 | $ 98,751 | $ 75,339
Common equity tier 1 capital, Actual Ratio | 11.84% | 11.14%
Common equity tier 1 capital, For Capital Adequacy Purposes Amount | $ 58,383 | $ 47,338
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 | $ 54,213 | $ 43,957
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 | $ 98,751 | $ 75,339
Tier 1 leverage, Actual Ratio | 8.34 | 8.00
Tier 1 leverage, For Capital Adequacy Purposes Amount | $ 76,934 | $ 61,216
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 | $ 59,180 | $ 47,090
Tier 1 leverage, To Be Well Capitalized Under the Prompt Corrective Action Provisions Ratio | 5.00 | 5.00

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