Revenue From Contract With Customer, Required Payment Period

No definition available.

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- Definition

Revenue From Contract With Customers, Contingency Period

+ References

No definition available.

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- Definition

Revenue Percent

+ References

No definition available.

+ Details

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- Definition

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130533-203044

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Balance Type:	debit
Period Type:	instant

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045

+ Details

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

- Definition

Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 55
-Paragraph 27
-URI http://asc.fasb.org/extlink&oid=108792157&loc=SL49130611-203046-203046

+ Details

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

- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

+ References

No definition available.

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- 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.

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- Details

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- Details

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Revenue Recognition - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Jan. 01, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Cumulative effect of new accounting standard, net of tax						$ (179)
Contract liabilities	$ 0		$ 0		$ 0
Contingency period (or less)			90 days
Required payment period (typically less)			90 days
Contract assets	0		$ 0		0
Direct Hire revenue
Disaggregation of Revenue [Line Items]
Contract with customer, refund liability	$ 600		$ 600			500
Fixed-price Contract \| GS \| Flex revenue
Disaggregation of Revenue [Line Items]
Revenue, as a percent	42.00%	35.80%	41.60%	32.00%
Retained Earnings
Disaggregation of Revenue [Line Items]
Cumulative effect of new accounting standard, net of tax						$ (179)
Accounting Standards Update 2014-09
Disaggregation of Revenue [Line Items]
Contract liabilities					200
Accounting Standards Update 2014-09 \| Retained Earnings
Disaggregation of Revenue [Line Items]
Cumulative effect of new accounting standard, net of tax					$ (200)