Name:	uhg_FinancialInstrumentsSubjectToMandatoryRedemptionSettlementTermsFairValueOfSharesRemeasured
Namespace Prefix:	uhg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Fair value per warrant, determined under the conditions specified in the contract, if the settlement were to occur at the reporting date.

No definition available.

Name:	uhg_FinancialInstrumentsSubjectToMandatoryRedemptionSettlementTermsFairValuePerWarrant
Namespace Prefix:	uhg_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

Fair value per warrant remeasured, determined under the conditions specified in the contract, if the settlement were to occur at the reporting date.

No definition available.

Name:	uhg_FinancialInstrumentsSubjectToMandatoryRedemptionSettlementTermsFairValuePerWarrantRemeasured
Namespace Prefix:	uhg_
Data Type:	dtr-types:perShareItemType
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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.

Name:	us-gaap_ClassOfWarrantOrRightLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Period Type:	duration

Amount of expense (income) related to adjustment to fair value of warrant liability.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section 25
-Paragraph 13
-URI https://asc.fasb.org/extlink&oid=109262497&loc=d3e20148-110875

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Data Type:	xbrli:monetaryItemType
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The fair value of shares that would be issued, determined under the conditions specified in the contract if the settlement were to occur at the reporting date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=109262807&loc=d3e22047-110879