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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amounts payable to customers in the near term, related to financial incentives received from government agencies to encourage compliance by employers to local government regulations.

No definition available.

Name:	jobs_PayablesToCustomersCurrent
Namespace Prefix:	jobs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The current portion of funds received in advance from customers for purposes such as monthly employee benefits, social insurance and payroll payments, which will be disbursed by the Company to other parties on behalf of customers in the near term.

No definition available.

Name:	jobs_ReceiptsFromCustomers
Namespace Prefix:	jobs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of expenses incurred but not yet paid nor invoiced, and liabilities classified as other.

No definition available.

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

Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section 45
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-Publisher FASB
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Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements payable within one year (or the operating cycle, if longer).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_DeferredCompensationShareBasedArrangementsLiabilityCurrent
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Data Type:	xbrli:monetaryItemType
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Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section 45
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-Publisher FASB
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-Topic 210
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-Section S99
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Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 6
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-Topic 210
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-Paragraph 1
-Subparagraph (SX 210.5-02.20)
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- References

No definition available.