XML 105 R90.htm IDEA: XBRL DOCUMENT v3.21.1

Fair Value Measurements (Information Regarding Quantitative Inputs Used To Value Assets Classified As Level 3 - Nonrecurring) (Details) $ in Thousands	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets, Fair Value	$ 90,610
Significant Unobservable Inputs (Level 3) [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets, Fair Value	425
Impaired Loans [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets, Fair Value	$ 1,829	$ 1,239
Impaired Loans [Member] | Minimum [Member] | Discounted Appraised Value [Member] | Significant Unobservable Inputs (Level 3) [Member] | Selling Cost [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impaired loans	0	0
Impaired Loans [Member] | Minimum [Member] | Discounted Appraised Value [Member] | Significant Unobservable Inputs (Level 3) [Member] | Discount For Lack Of Marketability And Age Of Appraisal [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impaired loans	0	0
Impaired Loans [Member] | Maximum [Member] | Discounted Appraised Value [Member] | Significant Unobservable Inputs (Level 3) [Member] | Selling Cost [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impaired loans	10	10
Impaired Loans [Member] | Maximum [Member] | Discounted Appraised Value [Member] | Significant Unobservable Inputs (Level 3) [Member] | Discount For Lack Of Marketability And Age Of Appraisal [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impaired loans	20	20
Impaired Loans [Member] | Weighted Average [Member] | Discounted Appraised Value [Member] | Significant Unobservable Inputs (Level 3) [Member] | Selling Cost [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impaired loans	8	8
Impaired Loans [Member] | Weighted Average [Member] | Discounted Appraised Value [Member] | Significant Unobservable Inputs (Level 3) [Member] | Discount For Lack Of Marketability And Age Of Appraisal [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Impaired loans	6	6
OREO [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Assets, Fair Value	$ 1,105	$ 2,339
OREO [Member] | Discounted Appraised Value [Member] | Significant Unobservable Inputs (Level 3) [Member] | Selling Cost [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
OREO	10
OREO [Member] | Minimum [Member] | Discounted Appraised Value [Member] | Significant Unobservable Inputs (Level 3) [Member] | Selling Cost [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
OREO		0
OREO [Member] | Minimum [Member] | Discounted Appraised Value [Member] | Significant Unobservable Inputs (Level 3) [Member] | Discount For Lack Of Marketability And Age Of Appraisal [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
OREO	0	0
OREO [Member] | Maximum [Member] | Discounted Appraised Value [Member] | Significant Unobservable Inputs (Level 3) [Member] | Selling Cost [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
OREO		10
OREO [Member] | Maximum [Member] | Discounted Appraised Value [Member] | Significant Unobservable Inputs (Level 3) [Member] | Discount For Lack Of Marketability And Age Of Appraisal [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
OREO	27	25
OREO [Member] | Weighted Average [Member] | Discounted Appraised Value [Member] | Significant Unobservable Inputs (Level 3) [Member] | Selling Cost [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
OREO		6
OREO [Member] | Weighted Average [Member] | Discounted Appraised Value [Member] | Significant Unobservable Inputs (Level 3) [Member] | Discount For Lack Of Marketability And Age Of Appraisal [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
OREO	26	15

X

- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

Name:	us-gaap_AssetsFairValueDisclosure
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

No definition available.

+ Details

Name:	us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Value of input used to measure long-term debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

Name:	us-gaap_LongTermDebtMeasurementInput
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Value of input used to measure real estate owned by financial institution by financial institution which is not directly related to its business.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

Name:	us-gaap_OtherRealEstateOwnedMeasurementInput
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByAssetClassAxis=botj_ImpairedLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ValuationTechniqueAxis=botj_DiscountedAppraisedValueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputCostToSellMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputDefaultRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_WeightedAverageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByAssetClassAxis=botj_OtherRealEstateOwnedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: