The amount of fully paid.

No definition available.

Name:	sj_AmountFullyPaid
Namespace Prefix:	sj_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of principal refunded value.

+ References

No definition available.

+ Details

Name:	sj_AmountOfPrincipalRefundedValue
Namespace Prefix:	sj_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of share of gain on refunded value.

+ References

No definition available.

+ Details

Name:	sj_AmountOfShareOfGainOnRefundedValue
Namespace Prefix:	sj_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

No definition available.

+ Details

Name:	sj_EquityInvestmentPercentage
Namespace Prefix:	sj_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of the entity's equity method investment which has been sold.

+ References

No definition available.

+ Details

Name:	sj_InvestedAmount
Namespace Prefix:	sj_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

Name:	sj_LongTermInvestmentDetailsLineItems
Namespace Prefix:	sj_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares of loss.

+ References

No definition available.

+ Details

Name:	sj_SharesOfLoss
Namespace Prefix:	sj_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of gain (loss) on sale or disposal of an equity method investment.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(b)(7)(c))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(b)(9)(a))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2

+ Details

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

- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482099/360-10-50-2

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482130/360-10-45-4

+ Details

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

- Definition

Sum of the carrying amounts as of the balance sheet date of all investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1)(h))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

+ Details

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

- Definition

Amount of equity (deficit) attributable to noncontrolling interest. Excludes temporary equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(g)(1)(ii))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481687/323-10-50-3

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-28

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(24))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(19))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1A
-Subparagraph (SX 210.13-01(a)(4)(i))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1A
-Subparagraph (SX 210.13-01(a)(4)(iv))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1A
-Subparagraph (SX 210.13-01(a)(5))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1B
-Subparagraph (SX 210.13-02(a)(4)(i))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1B
-Subparagraph (SX 210.13-02(a)(4)(iv))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1B
-Subparagraph (SX 210.13-02(a)(5))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B

Reference 12: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(22))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

Reference 13: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.31)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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

- Definition

Amount of investments classified as other.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(12))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

+ Details

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

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483326/850-10-50-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483326/850-10-50-3

+ Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

Long Term Investment (Details) ¥ in Thousands, shares in Thousands, $ in Thousands																		12 Months Ended
	Mar. 20, 2024 CNY (¥)	Mar. 12, 2024 CNY (¥)	Mar. 06, 2024 CNY (¥)	Feb. 29, 2024 USD ($)	Sep. 06, 2023 CNY (¥)	Sep. 06, 2023 USD ($)	Aug. 15, 2023 CNY (¥)	Jun. 19, 2023 CNY (¥)	Jan. 17, 2023 CNY (¥)	Dec. 19, 2022 CNY (¥)	Dec. 09, 2022 CNY (¥)	Jul. 03, 2022 CNY (¥)	May 06, 2022 CNY (¥)	Dec. 08, 2021 CNY (¥)	Oct. 09, 2021 CNY (¥)	May 27, 2021 CNY (¥)	Mar. 08, 2021 CNY (¥)	Dec. 31, 2023 CNY (¥) shares	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 CNY (¥)	Dec. 31, 2021 CNY (¥)	Dec. 31, 2023 USD ($)
Long Term Investment [Line Items]
Investments \| $						$ 2,000
Equity investment percentage					30.00%	30.00%						19.2308%			3.26%
Invested amount				$ 2,000	¥ 21,384	$ 3,000			¥ 3,500						¥ 8,500			¥ 150,000	$ 1,000
Equity interest												¥ 37,500						(837)		¥ 1,892		$ (118)
Amount fully paid												¥ 37,500
Amount of payment to related party																		355	50	1,115
Shares of loss																		739
Impairment, Long-Lived Asset, Held-for-Use																		11,800	$ 1,662
Zhejiang Qusu Technology Co., Ltd [Member]
Long Term Investment [Line Items]
Investments																		91,981
Investments amount																		¥ 5,000
Equity investment percentage																		1.70%	1.70%
Invested amount								¥ 1,000
Qingdao Weilai JingChanye Investment Fund LP [Member]
Long Term Investment [Line Items]
Equity investment percentage												11.5385%				4.44%
Invested amount																¥ 10,000
Amount of principal refunded value																		¥ 444
Share of gain																		¥ 77
Shares of loss (in Shares) \| shares																		30,666	30,666
Jiada Hexin (Beijing) Technology Co., Ltd. [Member]
Long Term Investment [Line Items]
Equity investment percentage																	13.79%
Invested amount																	¥ 8,000
Liujiaoshou Drink Co., Ltd., [Member]
Long Term Investment [Line Items]
Equity investment percentage														19.50%
Invested amount														¥ 2,925
Beijing Dunengmaihuo Culture Media Co., Ltd., [Member]
Long Term Investment [Line Items]
Equity investment percentage														19.00%
Invested amount														¥ 3,800
Valley Hongyuan (Hangzhou) Technology Partnership LP [Member]
Long Term Investment [Line Items]
Equity investment percentage													14.28%
Invested amount													¥ 5,000							¥ 2,000
Chengdu Tianfu Yuanhe Jingu Venture Capital Center LP [Member]
Long Term Investment [Line Items]
Equity investment percentage											1.12%
Invested amount											¥ 5,000
Banyou Century (Hangzhou) Technology Co., Ltd [Member]
Long Term Investment [Line Items]
Equity investment percentage										7.6923%
Invested amount										¥ 25,000
Zhejiang Mengxiang Zhixing Cultural Technology Co Ltd [Member]
Long Term Investment [Line Items]
Equity investment percentage								5.00%
Zhejiang Mengxiang Zhixing Cultural Technology Co Ltd [Member] \| Forecast [Member]
Long Term Investment [Line Items]
Equity investment percentage			14.50%
Invested amount			¥ 4,000
Amount of payment to related party	¥ 2,400
Zhejiang Yuanlai Spacetime Cultural Technology Co., Ltd [Member]
Long Term Investment [Line Items]
Equity investment percentage							5.00%
Invested amount							¥ 500
Qingdao Sixiang Zhuohong Private Equity LP [Member]
Long Term Investment [Line Items]
Invested amount															¥ 150,000
Qingdao Sixiang Zhuohong Private Equity LP [Member] \| Forecast [Member]
Long Term Investment [Line Items]
Amount of payment to related party		¥ 13,500
DVCC TECHNOLOGY L.L.C [Member]
Long Term Investment [Line Items]
Investments \| $						$ 1,000