Amount of transactions with related party during the financial reporting period.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Carrying value as of the balance sheet date of earnings rights associated with loan assets.

+ References

No definition available.

+ Details

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Namespace Prefix:	xyf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Number of separate income rights of loans purchased by the company.

+ References

No definition available.

+ Details

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Namespace Prefix:	xyf_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

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.

+ References

No definition available.

+ Details

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Namespace Prefix:	xyf_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=xyf_JiangxiRuijingFinancialAssetManagementCo.Ltd.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=xyf_PurchaseOfIncomeRightsOfLoansOneMember
Namespace Prefix:
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- Details

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Prepaid expenses and other current assets - Additional information (Details)	12 Months Ended
	Dec. 31, 2019 CNY (¥) item	Jan. 31, 2022 CNY (¥)	Dec. 31, 2021 CNY (¥)
Prepaid expenses and other current assets
Remaining amount receivable			¥ 99,235,400
Jiangxi Ruijing
Prepaid expenses and other current assets
Number of earnings rights purchased \| item	2
Jiangxi Ruijing \| Loan 1
Prepaid expenses and other current assets
Principal amount of loan assets	¥ 100,000,000
Jiangxi Ruijing \| Loan 2
Prepaid expenses and other current assets
Principal amount of loan assets	¥ 280,000,000
Remaining amount receivable		¥ 100,000,000