Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of restricted investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 30
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Indicates type of restriction on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Namespace Prefix:	us-gaap_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	instant

- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
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-Subparagraph (SX 210.7-03(a)(16)(a)(1))
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+ Details

Name:	us-gaap_ShortTermBorrowings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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

- Definition

The portion of the carrying amount of short-term borrowings outstanding as of the balance sheet date which accrues interest at a set, unchanging rate.

+ References

No definition available.

+ Details

Name:	us-gaap_ShortTermDebtPercentageBearingFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Description of the short-term debt arrangement, and disclosures pertaining to the underlying arrangements, including repayment terms, interest rates, restrictions on assets and activities, debt covenants, and other matters important to users of the financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Available for sale securities, debt securities, par value.

+ References

No definition available.

+ Details

Name:	uwhr_AvailableForSaleSecuritiesDebtSecuritiesParValue
Namespace Prefix:	uwhr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=uwhr_FederalReserveBanksBankTermFundingProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PledgedStatusAxis=us-gaap_AssetPledgedAsCollateralMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix:
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Period Type:

Short-Term Borrowed Funds - Additional Information (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Short-Term Debt [Line Items]
Short-term borrowed funds	$ 6,400		$ 1,379
Fair value of available for sale securities that collateralize debt	$ 142,300		$ 137,100
Federal Reserve Bank's Bank Term Funding Program (BTFP)
Short-Term Debt [Line Items]
Short-term borrowed funds		$ 5,000
Short-term debt description	The program offered loans of up to one year in length to banks pledging U.S. Treasuries, agency debt and mortgage-backed securities, and other qualifying assets as collateral. The note matures on January 22, 2025 and charges interest at a rate of 4.93%.
Debt instrument term	1 year
Note maturity date	Jan. 22, 2025
Interest rate	4.93%
Federal Reserve Bank's Bank Term Funding Program (BTFP) \| Asset Pledged as Collateral [Member]
Short-Term Debt [Line Items]
Par value of available for sale securities that collateralize debt	$ 7,500
Fair value of available for sale securities that collateralize debt	$ 6,700
Federal Reserve Bank's Bank Term Funding Program (BTFP) \| U.S. Government Agencies [Member]
Short-Term Debt [Line Items]
Debt Securities, Available-for-Sale, Restriction Type [Extensible Enumeration]	Asset Pledged as Collateral [Member]