XML 110 R89.htm IDEA: XBRL DOCUMENT v3.23.1

SHAREHOLDER RIGHTS PLAN (Details)	Dec. 22, 2021 Vote	May 06, 2019 Vote	Dec. 31, 2022 shares	Dec. 31, 2021 shares	Dec. 31, 2009 $ / shares
SHAREHOLDER RIGHTS PLAN
Exercise price of warrant | $ / shares					$ 19.50
Jun Zhu and Incsight Limited
SHAREHOLDER RIGHTS PLAN
Ordinary shares, shares issued				861,044,917
Ordinary shares, shares outstanding				861,044,917
Class A ordinary shares
SHAREHOLDER RIGHTS PLAN
Ordinary shares, shares issued			847,437,583	677,781,251
Ordinary shares, shares outstanding			847,437,583	677,781,251
Votes per share | Vote		1
Class A ordinary shares | Jun Zhu and Incsight Limited
SHAREHOLDER RIGHTS PLAN
Ordinary shares, shares issued				847,437,583
Class B ordinary shares
SHAREHOLDER RIGHTS PLAN
Ordinary shares, shares issued			13,607,334	13,607,334
Ordinary shares, shares outstanding			13,607,334	13,607,334
Votes per share | Vote	100	50
Class B ordinary shares | Jun Zhu and Incsight Limited
SHAREHOLDER RIGHTS PLAN
Ordinary shares, shares outstanding				13,607,334
Minimum
SHAREHOLDER RIGHTS PLAN
Shareholders rights plan, ownership interest for rights to be exercisable					15.00%

X

- Definition

Number of votes that each share is entitled.

+ References

No definition available.

+ Details

Name:	ncty_NumberOfVotesPerShare
Namespace Prefix:	ncty_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Share Purchase Rights Beneficial Ownership Percentage

+ References

No definition available.

+ Details

Name:	ncty_SharePurchaseRightsBeneficialOwnershipPercentage
Namespace Prefix:	ncty_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

X

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

X

- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ 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

+ Details

Name:	us-gaap_CommonStockSharesIssued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

+ References

Reference 1: 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 2: 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

+ Details

Name:	us-gaap_CommonStockSharesOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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