SEGMENT DATA - Information on Operating Segments and Reconciliation to Loss From Operations (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue from services	$ 195,171	$ 210,288
Contribution income	14,278	18,572
Corporate overhead	12,330	10,652
Depreciation and amortization	2,984	2,909
Acquisition-related contingent consideration	247	213
Acquisition and integration costs	265	115
Restructuring costs	1,140	435
(Loss) income from operations	(2,688)	4,248
Nurse And Allied Staffing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue from services	176,073	185,105
Contribution income	14,156	16,760
Physician Staffing [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue from services	16,159	21,560
Contribution income	405	1,500
Search Services [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue from services	2,939	3,623
Contribution income	$ (283)	$ 312

Business Combination, Contingent Consideration Arrangements, Expense

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- Definition

Operating Income Loss Before D And A Acquisition And Integration Contingent Consideration Restructuring Impairment And Corporate Overheard

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Segment Reporting Unallocated Corporate Expenses

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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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.

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

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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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.

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