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Total of the carrying values as of the balance sheet date of obligations incurred for amounts due to equity method investees in respect of the deposits payments or refund transactions directly made by the funds providers to property developers. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

No definition available.

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Represents the percentage of base transaction price.

No definition available.

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Balance Type:	na
Period Type:	duration

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer, shared with fund providers (including the Group's equity method investees).

No definition available.

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Refers to withdrawal penalty.

No definition available.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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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.

No definition available.

Name:	us-gaap_VariableInterestEntityLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Name:	srt_ProductOrServiceAxis=duo_BaseCommissionFromTransactionsMember
Namespace Prefix:
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Balance Type:
Period Type:

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_ProductOrServiceAxis=duo_SalesIncentiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_TypeOfArrangementAxis=duo_SelfCommitmentOrNonGroupCollaborativeAgreementsMember
Namespace Prefix:
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