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CONTINGENCIES (Details) $ in Millions	Sep. 30, 2021 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Legal fees to be recovered	$ 1.6

X

- Definition

Legal Fees To Be Recovered

+ References

No definition available.

+ Details

Name:	ccrn_LegalFeesToBeRecovered
Namespace Prefix:	ccrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration