XML 92 R81.htm IDEA: XBRL DOCUMENT v3.25.4

Credit Quality - Schedule of Amortized Cost Loans and Leases Pledged As Collateral (Detail) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	$ 173,232	$ 75,077
Commercial Real Estate [Member] | Owner-Occupied [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	22,460	9,589
Commercial Real Estate [Member] | Nonowner-Occupied [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	130,377	33,379
Other Commercial [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	12,072	21,385
Residential Real Estate [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	6,054	7,359
Construction & Land Development [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	2,269	3,365
Consumer [Member] | Bankcard [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Consumer [Member] | Other Consumer [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Residential Real Estate [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	13,129	14,390
Residential Real Estate [Member] | Commercial Real Estate [Member] | Owner-Occupied [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	5
Residential Real Estate [Member] | Commercial Real Estate [Member] | Nonowner-Occupied [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	6,830	7,037
Residential Real Estate [Member] | Other Commercial [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Residential Real Estate [Member] | Residential Real Estate [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	6,049	7,348
Residential Real Estate [Member] | Construction & Land Development [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	250	0
Residential Real Estate [Member] | Consumer [Member] | Bankcard [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Residential Real Estate [Member] | Consumer [Member] | Other Consumer [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Business Assets [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	4,005	15,816
Business Assets [Member] | Commercial Real Estate [Member] | Owner-Occupied [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Business Assets [Member] | Commercial Real Estate [Member] | Nonowner-Occupied [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Business Assets [Member] | Other Commercial [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	4,005	15,816
Business Assets [Member] | Residential Real Estate [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Business Assets [Member] | Construction & Land Development [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Business Assets [Member] | Consumer [Member] | Bankcard [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Business Assets [Member] | Consumer [Member] | Other Consumer [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Land [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	849	2,492
Land [Member] | Commercial Real Estate [Member] | Owner-Occupied [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Land [Member] | Commercial Real Estate [Member] | Nonowner-Occupied [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Land [Member] | Other Commercial [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Land [Member] | Residential Real Estate [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Land [Member] | Construction & Land Development [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	849	2,492
Land [Member] | Consumer [Member] | Bankcard [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Land [Member] | Consumer [Member] | Other Consumer [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Commercial Real Estate [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	92,773	32,135
Commercial Real Estate [Member] | Commercial Real Estate [Member] | Owner-Occupied [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	3,094	3,119
Commercial Real Estate [Member] | Commercial Real Estate [Member] | Nonowner-Occupied [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	84,786	23,975
Commercial Real Estate [Member] | Other Commercial [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	4,893	5,041
Commercial Real Estate [Member] | Residential Real Estate [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Commercial Real Estate [Member] | Construction & Land Development [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Commercial Real Estate [Member] | Consumer [Member] | Bankcard [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Commercial Real Estate [Member] | Consumer [Member] | Other Consumer [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Other Assets [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	62,476	10,244
Other Assets [Member] | Commercial Real Estate [Member] | Owner-Occupied [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	19,366	6,465
Other Assets [Member] | Commercial Real Estate [Member] | Nonowner-Occupied [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	38,761	2,367
Other Assets [Member] | Other Commercial [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	3,174	528
Other Assets [Member] | Residential Real Estate [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	5	11
Other Assets [Member] | Construction & Land Development [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	1,170	873
Other Assets [Member] | Consumer [Member] | Bankcard [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	0	0
Other Assets [Member] | Consumer [Member] | Other Consumer [Member]
Amortized Cost Collateral Dependent Loans [Line Items]
Amortized Cost Loans and Leases Pledged As Collateral	$ 0	$ 0

X

- Definition

Amortized cost collateral dependent loans.

+ References

No definition available.

+ Details

Name:	ubsi_AmortizedCostCollateralDependentLoansLineItems
Namespace Prefix:	ubsi_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amortized cost of financing receivables in which repayment is expected to be derived substantially through the operation or sale of the collateral and where the borrower is experiencing financial difficulty.

+ References

No definition available.

+ Details

Name:	ubsi_CollateralDependentLoansAndLeases
Namespace Prefix:	ubsi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

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

X

- Details

Name:	ubsi_FinancingReceivablePortfolioSegmentIAxis=ubsi_OwnerOccupiedCommercialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ubsi_FinancingReceivablePortfolioSegmentIAxis=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:	ubsi_FinancingReceivablePortfolioSegmentIAxis=ubsi_BankCardMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ubsi_FinancingReceivablePortfolioSegmentIAxis=ubsi_OtherConsumerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CollateralAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CollateralAxis=ubsi_BusinessAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CollateralAxis=us-gaap_LandMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CollateralAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CollateralAxis=us-gaap_OtherAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: