SEGMENT DATA - Information on Operating Segments and Reconciliation to Loss From Operations (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	$ 207,573	$ 196,583
Contribution income	16,002	18,232
Unallocated corporate overhead	10,286	10,368
Depreciation and amortization	2,191	2,412
Acquisition-related contingent consideration	270	287
Income from operations	3,255	5,165
Nurse and allied staffing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	183,108	168,765
Contribution income	15,622	16,790
Physician staffing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	21,464	24,453
Contribution income	820	1,553
Other human capital management services [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenues	3,001	3,365
Contribution income	$ (440)	$ (111)

Business Combination, Contingent Consideration Arrangements, Expense

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- Definition

Operating Income Loss Before Depreciation Amortization Loss on Sale of Business Acquisition and Integration Cost Contingent Consideration Restructuring Charge Impairment Charge And Corporate Expenses

+ References

No definition available.

+ Details

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- Definition

Segment Reporting Unallocated Corporate Expenses

+ References

No definition available.

+ Details

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

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- Definition

Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(d))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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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.

+ Details

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