GOODWILL AND INTANGIBLE ASSETS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended									12 Months Ended			9 Months Ended	12 Months Ended	9 Months Ended			12 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Sep. 30, 2013 Certificates of need [Member]	Dec. 31, 2012 Certificates of need [Member]	Sep. 30, 2013 Nursing trademarks [Member]	Dec. 31, 2012 Nursing trademarks [Member]	Sep. 30, 2013 Infusion customer relationships [Member]	Dec. 31, 2012 Infusion customer relationships [Member]	Dec. 31, 2012 Infusion trademarks [Member]	Sep. 30, 2013 Infusion trademarks [Member]	Sep. 30, 2013 Non-compete agreements [Member]	Sep. 30, 2013 Minimum [Member] Infusion customer relationships [Member]	Dec. 31, 2012 Minimum [Member] Infusion customer relationships [Member]	Sep. 30, 2013 Minimum [Member] Infusion trademarks [Member]	Sep. 30, 2013 Minimum [Member] Non-compete agreements [Member]	Sep. 30, 2013 Maximum [Member] Infusion customer relationships [Member]	Dec. 31, 2012 Maximum [Member] Infusion customer relationships [Member]	Sep. 30, 2013 Maximum [Member] Infusion trademarks [Member]	Sep. 30, 2013 Maximum [Member] Non-compete agreements [Member]
intangible assets, line items [Line Items]
Estimated Useful Life												3 years			5 months	6 months	23 months	1 year	4 years	3 years	3 years	5 years
Indefinite Lived Assets, Gross Carrying Amount	$ 15,400		$ 15,400		$ 15,400	$ 9,600	$ 9,600	$ 5,800	$ 5,800
Indefinite Lived Assets, Accumulated Amortization	0		0		0	0	0	0	0
Indefinite Lived Assets, Net Carrying Amount	15,400		15,400		15,400	9,600	9,600	5,800	5,800
Definite Lived Assets, Gross Carrying Amount	33,350		33,350		11,900					25,650	9,300	2,600	6,200	1,500
Definite Lived Assets, Accumulated Amortization	(14,656)		(14,656)		(9,854)					(10,923)	(7,447)	(2,407)	(3,058)	(675)
Definite Lived Assets, Net Carrying Amount	18,694		18,694		2,046					14,727	1,853	193	3,142	825
Intangible Assets, Gross Carrying Amount	48,750		48,750		27,300
Intangible Assets, Accumulated Amortization	(14,656)		(14,656)		(9,854)
Intangible Assets, Net Carrying Amount	34,094		34,094		17,446
Amortization of Intangible Assets	1,009	1,087	4,801	2,844
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2013 (three months)	1,622		1,622
2014	5,571		5,571
2015	4,966		4,966
2016	2,735		2,735
2017 and beyond	$ 3,800		$ 3,800