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Lot purchase agreement deposits - Interest in Lot Purchase Agreements (Details) - USD ($) | Dec. 31, 2024 | Dec. 31, 2023
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Real Estate [Abstract] |  |
Lot deposits | $ 48,152,609 | $ 33,015,812
Remaining purchase price | 352,163,924 | 231,333,171
Total contract value | $ 400,316,533 | $ 264,348,983

X
- Definition The total contract value, including amounts recognized and not yet recognized, for purchase options outstanding at balance sheet date. + References No definition available. + Details
Name: | uhg_PurchaseOptionTotalContractValue
Namespace Prefix: | uhg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Discloses the total purchase price of land option agreements that were not recorded. + References No definition available. + Details
Name: | us-gaap_LandUnderPurchaseOptionsNotRecorded
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amount of an option or options to acquire real property. + References No definition available. + Details
Name: | us-gaap_PurchaseOptionsLand
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_RealEstateAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration