GOODWILL AND OTHER INTANGIBLES - Impairment Testing (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)
Finite-Lived Intangible Assets [Line Items]
Non-cash impairment charges	$ 24,311	$ 0	$ 24,311	$ 0
Impairment related to goodwill			17,720
Physician Staffing [Member]
Finite-Lived Intangible Assets [Line Items]
Non-cash impairment charges	24,300		24,300
Impairment related to goodwill	17,700		$ 17,720
Physician Staffing [Member] | Income Approach Valuation Technique [Member]
Finite-Lived Intangible Assets [Line Items]
Discount rate percentage			11.50%
Terminal value growth rate percentage			3.00%
Physician Staffing [Member] | Market Approach Valuation Technique [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Total Enterprise Value/EBITDA ratio			7.5
Physician Staffing [Member] | Market Approach Valuation Technique [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Total Enterprise Value/EBITDA ratio			8.5
Physician Staffing [Member] | Income and Market Approach Valuation Technique [Member]
Finite-Lived Intangible Assets [Line Items]
Discrete forecast period (in years)			10 years
Physician Staffing [Member] | Income and Market Approach Valuation Technique [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted percentage applied			50.00%
Physician Staffing [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment related to finite lived assets	6,000		$ 6,000
Physician Staffing [Member] | Customer Relationships [Member] | Income Approach Valuation Technique [Member]
Finite-Lived Intangible Assets [Line Items]
Discount rate percentage			13.50%
Physician Staffing [Member] | Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment related to indefinite lived assets	$ 600		$ 600