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.

No definition available.

+ Details

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

- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

+ Details

Name:	us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=uwhr_PayingAsRestructuredMember
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Data Type:	na
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- Details

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_InterestRateBelowMarketReductionMember
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- Details

Name:	us-gaap_LoanRestructuringModificationAxis=uwhr_ForgivenessOfPrincipalOtherMember
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Modifications to Borrowers Experiencing Financial Difficulty - Schedule of Status of Types of Debt Restructuring (Detail) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022 USD ($) Contract	Mar. 31, 2022 USD ($) Contract	Dec. 31, 2022 USD ($)
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract	0
Recorded Investments \| $			$ 2,800
Paid In Full [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract		7
Recorded Investments \| $	$ 1,032	$ 1,032
Paying as Restructured [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract		6
Recorded Investments \| $	2,339	$ 2,339
Below Market Interest Rate [Member] \| Paid In Full [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract		1
Recorded Investments \| $	218	$ 218
Forgiveness of Principal/Other [Member] \| Paid In Full [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract		6
Recorded Investments \| $	814	$ 814
Forgiveness of Principal/Other [Member] \| Paying as Restructured [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract		6
Recorded Investments \| $	$ 2,339	$ 2,339