XML 90 R79.htm IDEA: XBRL DOCUMENT v3.25.4

Credit Quality - Schedule of Amortized Cost Basis Payment Status (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Current [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	$ 27,319	$ 4,560
Current [Member] | Commercial Real Estate [Member] | Owner-Occupied [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	11,481	445
Current [Member] | Commercial Real Estate [Member] | Nonowner-Occupied [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	14,838	1,366
Current [Member] | Other Commercial [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	1,000	2,400
Current [Member] | Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	0	297
Current [Member] | Construction & Land Development [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	0	52
Current [Member] | Consumer [Member] | Bankcard [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	0	0
Current [Member] | Consumer [Member] | Other Consumer [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	0	0
30-89 Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	4,398	4,455
30-89 Days Past Due [Member] | Commercial Real Estate [Member] | Owner-Occupied [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	0	0
30-89 Days Past Due [Member] | Commercial Real Estate [Member] | Nonowner-Occupied [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	4,398	4,399
30-89 Days Past Due [Member] | Other Commercial [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	0	0
30-89 Days Past Due [Member] | Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	0	56
30-89 Days Past Due [Member] | Construction & Land Development [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	0	0
30-89 Days Past Due [Member] | Consumer [Member] | Bankcard [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	0	0
30-89 Days Past Due [Member] | Consumer [Member] | Other Consumer [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	0	0
90+ Days Past Due [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	0	0
90+ Days Past Due [Member] | Commercial Real Estate [Member] | Owner-Occupied [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	0	0
90+ Days Past Due [Member] | Commercial Real Estate [Member] | Nonowner-Occupied [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	0	0
90+ Days Past Due [Member] | Other Commercial [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	0	0
90+ Days Past Due [Member] | Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	0	0
90+ Days Past Due [Member] | Construction & Land Development [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	0	0
90+ Days Past Due [Member] | Consumer [Member] | Bankcard [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	0	0
90+ Days Past Due [Member] | Consumer [Member] | Other Consumer [Member]
Financing Receivable, Modifications [Line Items]
Payment Status (Amortized Cost Basis)	$ 0	$ 0

X

- Definition

The amortized cost of modified financial receivables by class based on their payment status.

+ References

No definition available.

+ Details

Name:	ubsi_AmortizedCostBasisPaymentStatus
Namespace Prefix:	ubsi_
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://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A

Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 34
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-34

Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 33
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-33

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

+ Details

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

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=ubsi_FinancingReceivablesCurrentMember
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=ubsi_OwnerOccupiedCommercialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ubsi_NonownerOccupiedCommercialRealEstateMember
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_ResidentialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConstructionLoansMember
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=ubsi_BankCardMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ubsi_OtherConsumerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=ubsi_FinancialAsset30To89DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: