Name:	ctw_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipOwnershipInterestDescription
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Description of business purpose of the subsidiary of the limited liability company or limited partnership, for example, its day-to-day operating functions and whether it acts as a holding or operating company.

No definition available.

Name:	us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipBusinessPurpose
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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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.

No definition available.

Name:	us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership.

No definition available.

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

State in which the subsidiary of the limited liability company or limited partnership was organized.

No definition available.

Name:	us-gaap_SubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipState
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Name:	srt_OwnershipAxis=ctw_BaoCaymanMember
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Name:	srt_OwnershipAxis=ctw_CTWIncCTWJapanMember
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Name:	srt_OwnershipAxis=ctw_CTWG123SingaporePteLtdCTWSingaporeMember
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Name:	srt_OwnershipAxis=ctw_CTWHKLimitedCTWHKMember
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Name:	srt_OwnershipAxis=ctw_BeijingWeiyouChuxinTechCoLtdWFOEMember
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Name:	srt_OwnershipAxis=ctw_ShanghaiWeiyouyiChuxinTechnologyCoLtdCTWShanghaiMember
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Name:	srt_OwnershipAxis=ctw_ChangeTheWorldCorporationCTWKoreaMember
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Name:	srt_OwnershipAxis=ctw_CTWUSIncCTWUSMember
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Name:	srt_OwnershipAxis=ctw_AinekoXCoLtdAinekoXMember
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Name:	srt_OwnershipAxis=ctw_ShanghaiTuwaiiTechCoLtdTuwaiiMember
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