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v3.25.1

Prepaid Expense and Other Assets - Additional information (Details) - CNY (¥) ¥ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Impairment provision for prepayment | ¥ 0 | ¥ 1,000 | ¥ 372
General and administrative expenses |  |  |
Allowance for doubtful accounts on other receivables | ¥ 124 | ¥ 923 | ¥ 12,635

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- Definition Allowance for doubtful accounts on other receivables. + References No definition available. + Details
Name: | wdh_AllowanceForDoubtfulAccountsOnOtherReceivablesAdditions
Namespace Prefix: | wdh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of additions of impairment provision on prepayment expenses and other current assets. + References No definition available. + Details
Name: | wdh_ImpairmentProvisionOnPrepaymentExpensesAndOtherCurrentAssetsAdditions
Namespace Prefix: | wdh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_GeneralAndAdministrativeExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |