Represents the number of warrants forfeited.

No definition available.

Name:	uhg_ClassOfWarrantOrRightNumberOfSecuritiesForfeited
Namespace Prefix:	uhg_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

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

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 25
-Paragraph 13
-SubTopic 10
-Topic 480
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481766/480-10-25-13

+ Details

Name:	us-gaap_FairValueAdjustmentOfWarrants
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of shares that would be issued, determined under the conditions specified in the contract, if the settlement were to occur at the reporting date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481648/480-10-50-2

+ Details

Name:	us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsNumberOfShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=uhg_PrivatePlacementWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=uhg_PublicWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Warrant liability - Narrative (Details) - USD ($)		12 Months Ended
Warrant liability - Narrative (Details) - USD ($)	Mar. 29, 2023	Dec. 31, 2024	Dec. 31, 2023
Class of Warrant or Right [Line Items]
Change in fair value of warrant liabilities		$ (960,091)	$ 10,988,922
Private placement warrants
Class of Warrant or Right [Line Items]
Warrants forfeited (in shares)	2,966,670
Change in fair value of warrant liabilities		400,000	(3,600,000)
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Number of Shares	5,933,333
Public warrants
Class of Warrant or Right [Line Items]
Change in fair value of warrant liabilities		$ 600,000	$ (7,400,000)