Minimum Regulatory Capital - Summary of Capital Requirements Administered by Banking Agencies Capital Ratios (Detail) - Blue Ridge Bank, N.A [Member] $ in Thousands	Jun. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Total risk based capital, Actual Amount	$ 285,735	$ 273,978
Total risk based capital, Actual Ratio	12.13	13.11
Total risk based capital, For Capital Adequacy Purposes Amount	$ 247,339	$ 219,393
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	$ 235,561	$ 208,946
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	$ 267,462	$ 260,896
Tier 1 capital to risk-weighted assets, Actual Ratio	11.35	12.49
Tier 1 capital to risk-weighted assets, For Capital Adequacy Purposes Amount	$ 200,302	$ 177,604
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	$ 188,519	$ 167,157
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	$ 267,462	$ 260,896
Common equity tier 1 capital, Actual Ratio	11.35%	12.49%
Common equity tier 1 capital, For Capital Adequacy Purposes Amount	$ 164,955	$ 146,262
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	$ 153,172	$ 135,815
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	$ 267,462	$ 260,896
Tier 1 leverage, Actual Ratio	10.02	10.05
Tier 1 leverage, For Capital Adequacy Purposes Amount	$ 106,771	$ 103,883
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	$ 133,464	$ 129,853
Tier 1 leverage, To Be Well Capitalized Under the Prompt Corrective Action Provisions Ratio	5.00	5.00