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v3.23.1

Leases - Additional Information (Detail) | 3 Months Ended
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Mar. 31, 2023
Leases [Abstract] |
Non-cancellable net operating lease expiration year | 2031

X
- Definition Non-cancellable net operating lease expiration year. + References No definition available. + Details
Name: | ichr_NonCancellableNetOperatingLeaseExpirationYear
Namespace Prefix: | ichr_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

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