DEBT - Prior Credit Facilities (Details) - Revolving Credit Facility [Member]	12 Months Ended
Dec. 31, 2015 USD ($)
First Lien Loan Agreement [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 85,000,000.0
Borrowing availability as percentage of commitments	10.00%
Line of credit, subfacility for standby letters of credit	$ 35,000,000.0
Subordinated Debt [Member] \| Second Lien Term Loan [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 30,000,000.0
Debt term	5 years
Subordinated Debt [Member] \| Second Lien Term Loan [Member] \| Period One [Member]
Debt Instrument [Line Items]
Percentage of principal amount redeemed	103.00%
Subordinated Debt [Member] \| Second Lien Term Loan [Member] \| Period Two [Member]
Debt Instrument [Line Items]
Percentage of principal amount redeemed	102.00%
Subordinated Debt [Member] \| Second Lien Term Loan [Member] \| Period Three [Member]
Debt Instrument [Line Items]
Percentage of principal amount redeemed	100.00%

Subfacility for swingline loans maximum borrowing percentage of aggregate revolver commitments.

No definition available.

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Namespace Prefix:	ccrn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of credit, subfacility for standby letters of credit.

+ References

No definition available.

+ Details

Name:	ccrn_LineOfCreditFacilitySubLimitForLettersOfCredit
Namespace Prefix:	ccrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Period Type:

- Details

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- Details

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- Details

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