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Employee benefit plan (Details) - USD ($) |  | 12 Months Ended
--- | --- | ---
Jan. 01, 2021 | Dec. 31, 2024 | Dec. 31, 2023
Retirement Benefits [Abstract] |  |  |
Minimum service period | 3 months |  |
Employee base pay matched at 100% | 3.00% |  |
Employer matching contribution of employee's first 3% of base pay | 100.00% |  |
Employer matching contribution of employee's next 2% of base pay after first 3% of base pay matched | 50.00% |  |
Employee base pay matched at 50% after employee's first 3% of base pay matched | 2.00% |  |
Maximum annual contributions per employee | 4.00% |  |
Vesting percentage with respect to employer contributions after completing six years of service | 100.00% |  |
Service term required for full vesting | 6 years |  |
Total contributions paid |  | $ 329,463 | $ 241,466

X
- Definition Percentage one of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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X
- Definition Percentage two of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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Namespace Prefix: | uhg_
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X
- Definition Percentage one employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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- Definition Percentage two employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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- Definition Defined Contribution Plan, Minimum Service Period + References No definition available. + Details
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X
- Definition It represents the period of defined contribution plan service term required for full vesting. + References No definition available. + Details
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X
- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
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Period Type: | duration

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- References No definition available. + Details
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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 70 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480794/715-70-50-1 + Details
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X
- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
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