XML 52 R42.htm IDEA: XBRL DOCUMENT
v3.25.1

Loans And Allowance For Credit Losses (Amortized Cost Basis by Origination Year) (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Current Fiscal Year | $ 23,359 | $ 116,149
Fiscal Year Before Current Fiscal Year | 114,356 | 62,181
Two Years Before Current Fiscal Year | 59,607 | 111,125
Three Years Before Current Fiscal Year | 109,868 | 97,975
Four Years Before Current Fiscal Year | 96,002 | 29,013
Prior | 166,363 | 144,521
Revolving Loans Amortized Cost Basis | 77,795 | 80,459
Revolving Loans Converted to Term | 2,059 | 2,173
Total loans | 649,409 |
Total loans | 649,409 | 643,596
Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current Fiscal Year | 23,359 | 116,112
Fiscal Year Before Current Fiscal Year | 114,320 | 61,166
Two Years Before Current Fiscal Year | 58,604 | 109,736
Three Years Before Current Fiscal Year | 108,242 | 94,601
Four Years Before Current Fiscal Year | 92,693 | 27,693
Prior | 160,774 | 139,911
Revolving Loans Amortized Cost Basis | 75,226 | 78,805
Revolving Loans Converted to Term | 1,511 | 1,604
Total loans | 634,729 |
Total loans |  | 629,628
Special Mention [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Two Years Before Current Fiscal Year |  | 41
Three Years Before Current Fiscal Year | 37 | 79
Four Years Before Current Fiscal Year | 74 |
Prior | 323 | 524
Total loans | 434 |
Total loans |  | 644
Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current Fiscal Year |  | 37
Fiscal Year Before Current Fiscal Year | 36 | 1,015
Two Years Before Current Fiscal Year | 1,003 | 1,348
Three Years Before Current Fiscal Year | 1,589 | 3,295
Four Years Before Current Fiscal Year | 3,235 | 1,320
Prior | 5,266 | 4,086
Revolving Loans Amortized Cost Basis | 2,569 | 1,654
Revolving Loans Converted to Term | 548 | 569
Total loans | 14,246 |
Total loans |  | 13,324
Commercial [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current Fiscal Year | 1,013 | 10,412
Fiscal Year Before Current Fiscal Year | 10,527 | 4,602
Two Years Before Current Fiscal Year | 4,242 | 2,955
Three Years Before Current Fiscal Year | 2,832 | 7,310
Four Years Before Current Fiscal Year | 6,625 | 734
Prior | 16,107 | 16,639
Revolving Loans Amortized Cost Basis | 18,458 | 23,256
Revolving Loans Converted to Term | 172 | 510
Total loans | 59,976 |
Total loans | 59,976 | 66,418
Commercial [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current Fiscal Year | 1,013 | 10,412
Fiscal Year Before Current Fiscal Year | 10,527 | 3,680
Two Years Before Current Fiscal Year | 3,331 | 2,901
Three Years Before Current Fiscal Year | 2,783 | 7,188
Four Years Before Current Fiscal Year | 6,511 | 734
Prior | 15,554 | 16,070
Revolving Loans Amortized Cost Basis | 15,889 | 21,602
Revolving Loans Converted to Term | 24 | 341
Total loans | 55,632 |
Total loans |  | 62,928
Commercial [Member] | Special Mention [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Two Years Before Current Fiscal Year |  | 41
Three Years Before Current Fiscal Year | 37 | 79
Four Years Before Current Fiscal Year | 74 |
Total loans | 111 |
Total loans |  | 120
Commercial [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Fiscal Year Before Current Fiscal Year |  | 922
Two Years Before Current Fiscal Year | 911 | 13
Three Years Before Current Fiscal Year | 12 | 43
Four Years Before Current Fiscal Year | 40 |
Prior | 553 | 569
Revolving Loans Amortized Cost Basis | 2,569 | 1,654
Revolving Loans Converted to Term | 148 | 169
Total loans | 4,233 |
Total loans |  | 3,370
Commercial Real Estate [Member] | Commercial Mortgages-Owner Occupied [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current Fiscal Year | 5,890 | 21,261
Fiscal Year Before Current Fiscal Year | 25,000 | 9,052
Two Years Before Current Fiscal Year | 8,980 | 21,770
Three Years Before Current Fiscal Year | 22,227 | 42,779
Four Years Before Current Fiscal Year | 48,872 | 5,707
Prior | 42,014 | 38,157
Revolving Loans Amortized Cost Basis | 1,496 | 1,564
Revolving Loans Converted to Term | 151 | 153
Total loans | 154,630 |
Total loans | 154,630 | 140,443
Commercial Real Estate [Member] | Commercial Mortgages-Owner Occupied [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current Fiscal Year | 5,890 | 21,261
Fiscal Year Before Current Fiscal Year | 25,000 | 8,959
Two Years Before Current Fiscal Year | 8,888 | 21,770
Three Years Before Current Fiscal Year | 22,227 | 39,881
Four Years Before Current Fiscal Year | 46,021 | 5,663
Prior | 39,929 | 35,869
Revolving Loans Amortized Cost Basis | 1,496 | 1,564
Revolving Loans Converted to Term | 151 | 153
Total loans | 149,602 |
Total loans |  | 135,120
Commercial Real Estate [Member] | Commercial Mortgages-Owner Occupied [Member] | Special Mention [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Prior | 251 | 451
Total loans | 251 |
Total loans |  | 451
Commercial Real Estate [Member] | Commercial Mortgages-Owner Occupied [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Fiscal Year Before Current Fiscal Year |  | 93
Two Years Before Current Fiscal Year | 92 |
Three Years Before Current Fiscal Year |  | 2,898
Four Years Before Current Fiscal Year | 2,851 | 44
Prior | 1,834 | 1,837
Total loans | 4,777 |
Total loans |  | 4,872
Commercial Real Estate [Member] | Commercial Mortgages-Non-Owner Occupied [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current Fiscal Year | 10,573 | 39,659
Fiscal Year Before Current Fiscal Year | 40,536 | 12,203
Two Years Before Current Fiscal Year | 12,005 | 49,273
Three Years Before Current Fiscal Year | 49,607 | 27,410
Four Years Before Current Fiscal Year | 27,010 | 10,871
Prior | 58,997 | 49,206
Revolving Loans Amortized Cost Basis | 6,404 | 6,467
Total loans | 205,132 |
Total loans | 205,132 | 195,089
Commercial Real Estate [Member] | Commercial Mortgages-Non-Owner Occupied [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current Fiscal Year | 10,573 | 39,659
Fiscal Year Before Current Fiscal Year | 40,536 | 12,203
Two Years Before Current Fiscal Year | 12,005 | 49,273
Three Years Before Current Fiscal Year | 48,663 | 27,410
Four Years Before Current Fiscal Year | 27,010 | 9,698
Prior | 57,824 | 49,206
Revolving Loans Amortized Cost Basis | 6,404 | 6,467
Total loans | 203,015 |
Total loans |  | 193,916
Commercial Real Estate [Member] | Commercial Mortgages-Non-Owner Occupied [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Three Years Before Current Fiscal Year | 944 |
Four Years Before Current Fiscal Year |  | 1,173
Prior | 1,173 |
Total loans | 2,117 |
Total loans |  | 1,173
Commercial Real Estate [Member] | Commercial Construction/Land [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current Fiscal Year | 1,899 | 7,180
Fiscal Year Before Current Fiscal Year | 1,820 | 1,496
Two Years Before Current Fiscal Year | 1,485 | 1,719
Three Years Before Current Fiscal Year | 378 | 9,851
Four Years Before Current Fiscal Year | 3,033 | 1,976
Prior | 2,508 | 1,020
Revolving Loans Amortized Cost Basis | 414 | 641
Total loans | 11,537 |
Total loans | 11,537 | 23,883
Commercial Real Estate [Member] | Commercial Construction/Land [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current Fiscal Year | 1,899 | 7,180
Fiscal Year Before Current Fiscal Year | 1,820 | 1,496
Two Years Before Current Fiscal Year | 1,485 | 768
Three Years Before Current Fiscal Year | 378 | 9,497
Four Years Before Current Fiscal Year | 2,689 | 1,976
Prior | 2,508 | 1,020
Revolving Loans Amortized Cost Basis | 414 | 641
Total loans | 11,193 |
Total loans |  | 22,578
Commercial Real Estate [Member] | Commercial Construction/Land [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Two Years Before Current Fiscal Year |  | 951
Three Years Before Current Fiscal Year |  | 354
Four Years Before Current Fiscal Year | 344 |
Total loans | 344 |
Total loans |  | 1,305
Consumer [Member] | Consumer Open-End [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Revolving Loans Amortized Cost Basis | 51,023 | 48,531
Revolving Loans Converted to Term | 1,736 | 1,510
Total loans | 52,759 |
Total loans | 52,759 | 50,041
Consumer [Member] | Consumer Open-End [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Revolving Loans Amortized Cost Basis | 51,023 | 48,531
Revolving Loans Converted to Term | 1,336 | 1,110
Total loans | 52,359 |
Total loans |  | 49,641
Consumer [Member] | Consumer Open-End [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Revolving Loans Converted to Term | 400 | 400
Total loans | 400 |
Total loans |  | 400
Consumer [Member] | Consumer Closed-End [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current Fiscal Year | 375 | 6,697
Fiscal Year Before Current Fiscal Year | 6,318 | 4,548
Two Years Before Current Fiscal Year | 4,388 | 9,753
Three Years Before Current Fiscal Year | 9,412 | 382
Four Years Before Current Fiscal Year | 363 | 398
Prior | 6,506 | 6,491
Total loans | 27,362 |
Total loans | 27,362 | 28,269
Consumer [Member] | Consumer Closed-End [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current Fiscal Year | 375 | 6,660
Fiscal Year Before Current Fiscal Year | 6,282 | 4,548
Two Years Before Current Fiscal Year | 4,388 | 9,634
Three Years Before Current Fiscal Year | 9,294 | 382
Four Years Before Current Fiscal Year | 363 | 398
Prior | 6,390 | 6,366
Total loans | 27,092 |
Total loans |  | 27,988
Consumer [Member] | Consumer Closed-End [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current Fiscal Year |  | 37
Fiscal Year Before Current Fiscal Year | 36 |
Two Years Before Current Fiscal Year |  | 119
Three Years Before Current Fiscal Year | 118 |
Prior | 116 | 125
Total loans | 270 |
Total loans |  | 281
Residential [Member] | Residential Mortgages [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current Fiscal Year | 416 | 18,418
Fiscal Year Before Current Fiscal Year | 18,192 | 23,905
Two Years Before Current Fiscal Year | 23,501 | 23,219
Three Years Before Current Fiscal Year | 23,072 | 9,082
Four Years Before Current Fiscal Year | 8,962 | 8,479
Prior | 37,509 | 30,200
Total loans | 111,652 |
Total loans | 111,652 | 113,303
Residential [Member] | Residential Mortgages [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current Fiscal Year | 416 | 18,418
Fiscal Year Before Current Fiscal Year | 18,192 | 23,905
Two Years Before Current Fiscal Year | 23,501 | 22,954
Three Years Before Current Fiscal Year | 22,557 | 9,082
Four Years Before Current Fiscal Year | 8,962 | 8,376
Prior | 35,847 | 28,572
Total loans | 109,475 |
Total loans |  | 111,307
Residential [Member] | Residential Mortgages [Member] | Special Mention [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Prior | 72 | 73
Total loans | 72 |
Total loans |  | 73
Residential [Member] | Residential Mortgages [Member] | Substandard [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Two Years Before Current Fiscal Year |  | 265
Three Years Before Current Fiscal Year | 515 |
Four Years Before Current Fiscal Year |  | 103
Prior | 1,590 | 1,555
Total loans | 2,105 |
Total loans |  | 1,923
Residential [Member] | Residential Consumer Construction/Land [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current Fiscal Year | 3,193 | 12,522
Fiscal Year Before Current Fiscal Year | 11,963 | 6,375
Two Years Before Current Fiscal Year | 5,006 | 2,436
Three Years Before Current Fiscal Year | 2,340 | 1,161
Four Years Before Current Fiscal Year | 1,137 | 848
Prior | 2,722 | 2,808
Total loans | 26,361 |
Total loans | 26,361 | 26,150
Residential [Member] | Residential Consumer Construction/Land [Member] | Pass [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Current Fiscal Year | 3,193 | 12,522
Fiscal Year Before Current Fiscal Year | 11,963 | 6,375
Two Years Before Current Fiscal Year | 5,006 | 2,436
Three Years Before Current Fiscal Year | 2,340 | 1,161
Four Years Before Current Fiscal Year | 1,137 | 848
Prior | 2,722 | 2,808
Total loans | $ 26,361 |
Total loans |  | $ 26,150

X
- Definition Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss, Net Of Revolving Loans Converted To Term + References No definition available. + Details
Name: | botj_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossNetOfRevolvingLoansConvertedToTerm
Namespace Prefix: | botj_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable that can be withdrawn, repaid, and redrawn. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestRevolving
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of revolving financing receivable converted to term loan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated four years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated in current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable originated two years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest of financing receivable originated in fiscal year prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 29 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-29 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=botj_CommercialMortgagesOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=botj_CommercialMortgagesNonOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=botj_CommercialConstructionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=botj_ConsumerOpenEndMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=botj_ConsumerClosedEndMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ResidentialMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=botj_ResidentialConsumerConstructionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |