GOODWILL AND INTANGIBLE ASSETS- Finite-Lived Intangibles (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 33,350	$ 33,350
Accumulated Amortization	(27,345)	(23,081)
Net Carrying Amount	6,005	10,269
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	25,650	25,650
Accumulated Amortization	(19,937)	(16,615)
Net Carrying Amount	5,713	9,035
Infusion trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	6,200	6,200
Accumulated Amortization	(6,200)	(5,333)
Net Carrying Amount	0	867
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,500	1,500
Accumulated Amortization	(1,208)	(1,133)
Net Carrying Amount	$ 292	$ 367