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v3.20.2

RISKS AND UNCERTAINTIES (Details) | 9 Months Ended
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Sep. 30, 2020
RISKS AND UNCERTAINTIES |
Adjusted EBITDA to Debt ratio | 3.25

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- Definition The adjusted ratio of earnings before interest, taxes depreciation and amortization to debt. + References No definition available. + Details
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Namespace Prefix: | iii_
Data Type: | xbrli:pureItemType
Balance Type: | na
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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