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Leases - Additional Information (Detail)	3 Months Ended
	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