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v3.20.4

RISKS AND UNCERTAINTIES (Details) | 12 Months Ended
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Dec. 31, 2020
RISKS AND UNCERTAINTIES |
Adjusted Debt to EBITDA ratio | 3.25

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- Definition Adjusted ration of debt to earnings before interest, taxes, depreciation and amortization. + References No definition available. + Details
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Namespace Prefix: | iii_
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Balance Type: | na
Period Type: | duration

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