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v3.23.2

Subsequent Events (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
Subsequent Events [Abstract] |  |
Historic product revenue related to revenue at risk | $ 7.2 | $ 37.6

X
- Definition Historic product revenue related to revenue at risk + References No definition available. + Details
Name: | icui_HistoricProductRevenueRelatedToRevenueAtRisk
Namespace Prefix: | icui_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_SubsequentEventsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration