DISCONTINUED OPERATIONS - Summary of Operating Results (Details) - USD ($) $ in Thousands		12 Months Ended
	Mar. 31, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Discontinued Operations
Bad debt expense		$ 26,799	$ 41,042	$ 79,547
PBM Services
Discontinued Operations
Revenue		0	44,375	61,401
Gross profit		0	9,763	17,635
Other operating expenses		1,015	5,444	10,878
Bad debt expense		0	(45)	27
(Loss) income from operations		(1,015)	4,364	6,730
Gain on sale before income taxes		0	(11,424)	0
Financial advisory fee and legal expenses		614	1,731	0
Other income and expenses, net		(326)	1,898	(6)
Income (loss) before income taxes		(1,303)	12,159	6,736
Income tax expense (benefit)		0	206	198
Income (loss) from discontinued operations, net of income taxes		(1,303)	11,953	6,538
Home Health Business
Discontinued Operations
Revenue		0	0	18,551
Gross profit		0	0	6,918
Other operating expenses		0	417	8,219
Bad debt expense		0	0	902
(Loss) income from operations		0	(417)	(2,203)
Gain on sale before income taxes	$ (2,100)	0	0	(2,067)
Financial advisory fee and legal expenses		(44)	0	2,875
Impairment of assets		0	0	452
Other income and expenses, net		(118)	861	47
Income (loss) before income taxes		162	(1,278)	(3,510)
Income tax expense (benefit)		0	0	(4,257)
Income (loss) from discontinued operations, net of income taxes		162	(1,278)	747
Pharmacy Services Asset Sale
Discontinued Operations
Revenue		0	0	0
Gross profit		0	0	(439)
Other operating expenses		185	4,485	3,995
Financial advisory fee and legal expenses		2	1,312	0
Other income and expenses, net		17	1,157	399
Income (loss) from discontinued operations, net of income taxes		$ (204)	$ (6,954)	$ (4,833)