Deferred tax liabilities withholding income tax expenses.

No definition available.

Name:	momo_DeferredTaxLiabilitiesWithholdingIncomeTaxExpenses
Namespace Prefix:	momo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the withholding income tax on dividends, imposed under the income law, on dividends distributed by foreign-invested enterprises (FIEs) to its immediate holding company outside of China, if such immediate holding company is considered as a non-resident enterprise.

+ References

No definition available.

+ Details

Name:	momo_DividendWithholdingTaxRate
Namespace Prefix:	momo_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Income tax preferential tax rate.

+ References

No definition available.

+ Details

Name:	momo_IncomeTaxPreferentialTaxRate
Namespace Prefix:	momo_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Income taxes rate of foreign statutory corporate.

+ References

No definition available.

+ Details

Name:	momo_IncomeTaxesRateofForeignStatutoryCorporate
Namespace Prefix:	momo_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee.

+ References

No definition available.

+ Details

Name:	momo_InvestmentOwnershipPercentage
Namespace Prefix:	momo_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Operating loss carry forward period.

+ References

No definition available.

+ Details

Name:	momo_OperatingLossCarryForwardPeriod
Namespace Prefix:	momo_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Special dividend received.

+ References

No definition available.

+ Details

Name:	momo_SpecialDividendReceived
Namespace Prefix:	momo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Withholding tax amount paid.

+ References

No definition available.

+ Details

Name:	momo_WithholdingTaxAmountPaid
Namespace Prefix:	momo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=123427490&loc=d3e31931-109318

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319

+ Details

Name:	us-gaap_DeferredTaxLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 6.I.Fact.4)
-URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h)(2))
-URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319

+ Details

Name:	us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
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

Name:	us-gaap_IncomeTaxContingencyLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319

+ Details

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

- Definition

Tax year that remains open to examination under enacted tax laws, in YYYY format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (e)
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319

+ Details

Name:	us-gaap_OpenTaxYear
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:gYearListItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319

+ Details

Name:	us-gaap_OperatingLossCarryforwards
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319

+ Details

Name:	us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_BusinessAcquisitionAxis=momo_TantanLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=momo_MomoTechnologyHkCompanyLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeTaxAuthorityAxis=momo_HighAndNewTechnologyEnterpriseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeTaxAuthorityAxis=us-gaap_InlandRevenueSingaporeIRASMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TaxPeriodAxis=us-gaap_EarliestTaxYearMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TaxPeriodAxis=us-gaap_LatestTaxYearMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=country_CN
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=momo_ChengduMomoTechnologyCompanyLimitedInvestmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_BeneficialOwnerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TaxPeriodAxis=momo_FiscalYearTwoThousandAndNineteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidatedEntitiesAxis=momo_BeijingMomoInformationTechnologyCompanyLimitedSubsidiaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=momo_OtherEntitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=country_HK
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TaxPeriodAxis=momo_ScenarioOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TaxPeriodAxis=momo_ScenarioTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Income Taxes - Additional Information (Detail) - CNY (¥) ¥ in Thousands		12 Months Ended
	Jul. 31, 2019	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Contingency [Line Items]
Income tax rate					10.00%
Deferred tax liability		¥ 22,011	¥ 213,384
Interest related to penalties		0
Significant impact on the unrecognized tax benefits for next twelve months		0
Withholding Tax Amount Paid				¥ 220,000
Deferred tax liabilities withholding income tax expenses		164,000	¥ 207,000
Tantan Limited [Member]
Income Tax Contingency [Line Items]
Income Tax Preferential Tax Rate	15.00%		0.00%	15.00%
Momo Technology HK Company Limited [Member]
Income Tax Contingency [Line Items]
Special Dividend received		3,600,000	¥ 1,300,000
Withholding Tax Amount Paid		¥ 360,000	130,000
High And New Technology Enterprise ("HNTE") [Member]
Income Tax Contingency [Line Items]
Income Tax Preferential Tax Rate		15.00%
Inland Revenue, Singapore (IRAS) [Member]
Income Tax Contingency [Line Items]
Income tax rate		17.00%
Operating loss carry forward		¥ 83,889
Parent Company [Member]
Income Tax Contingency [Line Items]
Withholding Tax Amount Paid		¥ 360,000	¥ 130,000
Earliest Tax Year [Member]
Income Tax Contingency [Line Items]
Tax years subject to tax audits		2018
Latest Tax Year [Member]
Income Tax Contingency [Line Items]
Tax years subject to tax audits		2022
PRC [Member]
Income Tax Contingency [Line Items]
Income tax rate		25.00%	25.00%	25.00%
Withholding income tax rate for dividends distributed by the PRC subsidiaries		10.00%
Deferred tax liability		¥ 0
Operating loss carry forward		¥ 738,537
Operating loss carry forward period		5 years	5 years
PRC [Member] \| High And New Technology Enterprise ("HNTE") [Member]
Income Tax Contingency [Line Items]
Operating loss carry forward period		10 years	10 years
PRC [Member] \| Chengdu Momo Technology Company Limited Investment [Member]
Income Tax Contingency [Line Items]
Income Tax Preferential Tax Rate		15.00%
PRC [Member] \| Beneficial Owner [Member]
Income Tax Contingency [Line Items]
Withholding income tax rate for dividends distributed by the PRC subsidiaries		5.00%
PRC [Member] \| Fiscal Year 2019 [Member] \| Beijing Momo Information Technology Co., Ltd. [Member] \| Minimum [Member]
Income Tax Contingency [Line Items]
Income Tax Preferential Tax Rate				10.00%
PRC [Member] \| Fiscal Year 2019 [Member] \| Beijing Momo Information Technology Co., Ltd. [Member] \| Maximum [Member]
Income Tax Contingency [Line Items]
Income Tax Preferential Tax Rate			12.50%
PRC [Member] \| Other Entities [Member]
Income Tax Contingency [Line Items]
Income tax rate		25.00%			25.00%
Hong Kong [Member]
Income Tax Contingency [Line Items]
Operating loss carry forward		¥ 236,115
Hong Kong [Member] \| Beneficial Owner [Member] \| Minimum [Member]
Income Tax Contingency [Line Items]
Equity interest in a PRC-resident enterprise		25.00%
Hong Kong [Member] \| The first 2 million Hong Kong dollars of profits [Member]
Income Tax Contingency [Line Items]
Income tax rate		8.25%
Hong Kong [Member] \| Remaining profits [Member]
Income Tax Contingency [Line Items]
Income tax rate		16.50%