Number of board of directors.

No definition available.

Name:	krkr_NumberOfBoardOfDirectors
Namespace Prefix:	krkr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of investments made.

+ References

No definition available.

+ Details

Name:	krkr_PercentageOfInvestmentsMade
Namespace Prefix:	krkr_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash outflow associated with the purchase of all investments (debt, security, other) during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow associated with the amount received from entity's first offering of stock to the public.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585

+ Details

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

- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

Name:	us-gaap_SharesIssuedPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of new stock issued during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
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_VariableInterestEntityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=123419778&loc=SL6759159-111685

+ Details

Name:	us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the transactions or business conducted by the Variable Interest Entity (VIE), including how the VIE is financed.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 16
-Subparagraph (c,d)
-URI https://asc.fasb.org/extlink&oid=123419778&loc=SL6228967-111685

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=123419778&loc=SL6759159-111685

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123419778&loc=d3e5728-111685

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123419778&loc=d3e5747-111685

+ Details

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

- Details

Name:	dei_LegalEntityAxis=krkr_BeijingCulturalInvestmentDevelopmentGroupAssetManagementCo.LtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=us-gaap_IPOMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementEquityComponentsAxis=krkr_AmericanDepositorySharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=krkr_BviSubsidiary36krHoldingLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=krkr_HkLimited36krHoldingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=krkr_TianjinDuokeInvestmentCoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=krkr_TianjinDakeInformationTechnologyCoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=krkr_BeijingDakeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=krkr_NanjingDakeInformationTechnologyCo.LtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=krkr_HainanShenkeInformationTechnologyCo.LtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=krkr_BeijingDuokeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=krkr_ZhejiangPinxinTechnologyCoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Nature of Operations and Reorganization - Reorganization and Initial Public Offering (Details) $ / shares in Units, ¥ in Thousands, $ in Thousands					12 Months Ended
	Nov. 30, 2022 CNY (¥) director	Nov. 08, 2019 CNY (¥) shares	Nov. 08, 2019 USD ($) $ / shares shares	Aug. 02, 2019	Dec. 31, 2022	Dec. 31, 2020 CNY (¥)
Reorganization
Proceeds from initial public offering, net of issuance costs \| ¥						¥ (21,617)
Beijing Cultural Investment Development Group Asset Management Co., Ltd
Reorganization
Investments made \| ¥	¥ 32,492
Percentage of investment	1.00%
Number of board of directors \| director	3
IPO
Reorganization
Issuance price per share (in US dollar per share) \| $ / shares			$ 14.50
Proceeds from initial public offering, net of issuance costs		¥ 86,240	$ 12,330
IPO \| ADS
Reorganization
Share issuance upon initial public offering, net of issuance costs (in shares) \| shares		1,380,000	1,380,000
IPO \| Class A ordinary shares
Reorganization
Share issuance upon initial public offering, net of issuance costs (in shares) \| shares		34,500,000	34,500,000
36Kr Holding Limited ("36Kr BVI" or "BVI Subsidiary")
Reorganization
Ownership interest (as a percent)				100.00%
Principal activities					Investment holding
36Kr Holdings (HK) Limited ("36Kr HK" or "HK Subsidiary")
Reorganization
Ownership interest (as a percent)				100.00%
Principal activities					Investment holding
Tianjin Duoke Investment Co., Ltd. ("Tianjin Duoke")
Reorganization
Ownership interest (as a percent)				100.00%
Principal activities					Investment holding
Tianjin Dake Information Technology Co., Ltd. ("Tianjin Dake")
Reorganization
Ownership interest (as a percent)				100.00%
Principal activities					Management consulting
Beijing Dake
Reorganization
Ownership interest (as a percent)				100.00%
Principal activities					Management consulting
Nanjing Dake Information Technology Co., Ltd. ("Nanjing Dake")
Reorganization
Ownership interest (as a percent)				100.00%
Principal activities					Management consulting
Hainan Shenke Information Technology Co., Ltd. ("Hainan Shenke")
Reorganization
Ownership interest (as a percent)				100.00%
Principal activities					Management consulting
Beijing Duoke
Reorganization
Percentage of ownership in VIEs				100.00%
Principal activities					36Kr Business
Zhejiang Pinxin Technology Co., Ltd.
Reorganization
Percentage of ownership in VIEs				100.00%
Principal activities					Investment holding