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Commitments and Contingencies - Future Minimum Capital Payments under Non-cancellable Data Licensing Agreements (Detail) $ in Thousands | Sep. 30, 2017 USD ($)
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Commitments And Contingencies Disclosure [Abstract] |
Remainder of 2017 | $ 1,074
2018 | 4,990
2019 | 5,930
2020 | 6,250
2021 | 4,775
2022 and thereafter | 1,302
Capital commitment under non-cancellable data licensing agreements, Total | $ 24,321

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- Definition Capital commitment under non-cancellable data licensing agreements due in five years. + References No definition available. + Details
Name: | cogt_CapitalCommitmentUnderNonCancellableDataLicensingAgreementsDueInFiveYears
Namespace Prefix: | cogt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Capital commitment under non-cancellable data licensing agreements due in four years. + References No definition available. + Details
Name: | cogt_CapitalCommitmentUnderNonCancellableDataLicensingAgreementsDueInFourYears
Namespace Prefix: | cogt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Capital commitment under non-cancellable data licensing agreements due in six years and thereafter. + References No definition available. + Details
Name: | cogt_CapitalCommitmentUnderNonCancellableDataLicensingAgreementsDueInSixYearsAndThereafter
Namespace Prefix: | cogt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Capital commitment under non-cancellable data licensing agreements due in three years. + References No definition available. + Details
Name: | cogt_CapitalCommitmentUnderNonCancellableDataLicensingAgreementsDueInThreeYears
Namespace Prefix: | cogt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Capital commitment under non-cancellable data licensing agreements due in two years. + References No definition available. + Details
Name: | cogt_CapitalCommitmentUnderNonCancellableDataLicensingAgreementsDueInTwoYears
Namespace Prefix: | cogt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Capital commitment under non-cancellable data licensing agreements, net. + References No definition available. + Details
Name: | cogt_CapitalCommitmentUnderNonCancellableDataLicensingAgreementsNet
Namespace Prefix: | cogt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Capital commitment under non-cancellable data licensing agreements remainder of fiscal period. + References No definition available. + Details
Name: | cogt_CapitalCommitmentUnderNonCancellableDataLicensingAgreementsRemainderOfFiscalYear
Namespace Prefix: | cogt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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