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v3.8.0.1

Segment Reporting - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2017 subsidiary
Public Subsidiaries |
Segment Reporting Information [Line Items] |
Number of subsidiaries | 2

X
- Definition Number of Subsidiaries + References No definition available. + Details
Name: | tk_NumberofSubsidiaries
Namespace Prefix: | tk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_ConsolidatedEntitiesAxis=us-gaap_SubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |