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v3.25.0.1

Earnout shares - Total Earnout Shares (Details) - shares |  | 12 Months Ended
--- | --- | ---
Mar. 30, 2023 | Dec. 31, 2024
Earnout Shares [Line Items] |  |
Derivative liability | 21,495,794 |
Triggering Event I |  |
Earnout Shares [Line Items] |  |
Derivative liability |  | 8,207,392
Triggering Event II |  |
Earnout Shares [Line Items] |  |
Derivative liability |  | 8,207,392
Triggering Event III |  |
Earnout Shares [Line Items] |  |
Derivative liability |  | 5,471,595
Derivative Liability | Triggering Event I |  |
Earnout Shares [Line Items] |  |
Derivative liability |  | 8,060,923
Derivative Liability | Triggering Event II |  |
Earnout Shares [Line Items] |  |
Derivative liability |  | 8,060,923
Derivative Liability | Triggering Event III |  |
Earnout Shares [Line Items] |  |
Derivative liability |  | 5,373,948
Stock Compensation | Triggering Event I |  |
Earnout Shares [Line Items] |  |
Derivative liability |  | 146,469
Stock Compensation | Triggering Event II |  |
Earnout Shares [Line Items] |  |
Derivative liability |  | 146,469
Stock Compensation | Triggering Event III |  |
Earnout Shares [Line Items] |  |
Derivative liability |  | 97,647

X
- Definition Number of derivative instrument contingent consideration liability shares. + References No definition available. + Details
Name: | uhg_DerivativeInstrumentContingentConsiderationLiabilityShares
Namespace Prefix: | uhg_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represents the information pertaining to earnout shares. + References No definition available. + Details
Name: | uhg_EarnoutSharesLineItems
Namespace Prefix: | uhg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | uhg_ContingentConsiderationPeriodAxis=uhg_TriggeringEventIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | uhg_ContingentConsiderationPeriodAxis=uhg_TriggeringEventIiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | uhg_ContingentConsiderationPeriodAxis=uhg_TriggeringEventIiiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=uhg_DerivativeLiabilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=uhg_StockCompensationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |