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Minimum Regulatory Capital Requirements - Summary of Capital Requirements Administered by Banking Agencies Risk Based Capital Ratios (Detail) - Blue Ridge Bank, N.A [Member] - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items] |  |
Total risk based capital, Actual Amount | $ 79,911 | $ 48,811
Total risk based capital, Actual Ratio | 11.82% | 12.11%
Total risk based capital, For Capital Adequacy Purposes Amount | $ 71,007 | $ 39,790
Total risk based capital, For Capital Adequacy Purposes Ratio | 10.50% | 9.875%
Total risk based capital, To Be Well Capitalized Under the Prompt Corrective Action Provisions Amount | $ 67,626 | $ 40,294
Total risk based capital, To Be Well Capitalized Under the Prompt Corrective Action Provisions Ratio | 10.00% | 10.00%
Tier I capital to risk rated assets, Actual Amount | $ 75,339 | $ 45,231
Tier I capital to risk rated assets, Actual Ratio | 11.14% | 11.23%
Tier I capital to risk rated assets, For Capital Adequacy Purposes Amount | $ 57,482 | $ 31,731
Tier I capital to risk rated assets, For Capital Adequacy Purposes Ratio | 8.50% | 7.875%
Tier I capital to risk rated assets, To Be Well Capitalized Under the Prompt Corrective Action Provisions Amount | $ 54,101 | $ 32,235
Tier I capital to risk rated assets, To Be Well Capitalized Under the Prompt Corrective Action Provisions Ratio | 8.00% | 8.00%
Common equity tier 1 capital, Actual Amount | $ 75,339 | $ 45,231
Common equity tier 1 capital, Actual Ratio | 11.14% | 11.23%
Common equity tier 1 capital, For Capital Adequacy Purposes Amount | $ 47,338 | $ 25,687
Common equity tier 1 capital, For Capital Adequacy Purposes Ratio | 7.00% | 6.375%
Common equity tier 1 capital, To Be Well Capitalized Under the Prompt Corrective Action Provisions Amount | $ 43,957 | $ 26,191
Common equity tier 1 capital, To Be Well Capitalized Under the Prompt Corrective Action Provisions Ratio | 6.50% | 6.50%
Tier I capital, Actual Amount | $ 75,339 | $ 45,231
Tier I capital, Actual Ratio | 8.00% | 8.89%
Tier I capital, For Capital Adequacy Purposes Amount | $ 61,216 | $ 20,342
Tier I capital, For Capital Adequacy Purposes Ratio | 6.50% | 4.00%
Tier I capital, To Be Well Capitalized Under the Prompt Corrective Action Provisions Amount | $ 47,090 | $ 25,428
Tier I capital, To Be Well Capitalized Under the Prompt Corrective Action Provisions Ratio | 5.00% | 5.00%

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