ACQUISITIONS (Details) $ in Thousands						3 Months Ended	12 Months Ended
	Jun. 02, 2015 USD ($) facility	Jun. 01, 2015 USD ($)	Oct. 01, 2014 USD ($)	Jul. 24, 2013 USD ($)	Mar. 18, 2013 USD ($)	Sep. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Accent Marketing Services, L.L.C. [Member]
Business Acquisition [Line Items]
Percentage of membership interests acquired (percent)		100.00%
Number of business locations | facility	6
Total allocable purchase price	$ 17,492	$ 18,326
Estimated working capital included in consideration transferred		$ 2,326
Refunded amounts of original working capital transferred						$ 834
Business Acquisition, Transaction Costs							$ 1,300
Cash	$ 16,000
CCI [Member]
Business Acquisition [Line Items]
Total allocable purchase price			$ 4,105
Cash			$ 2,610
Ideal Dialogue Company [Member]
Business Acquisition [Line Items]
Total allocable purchase price					$ 1,500
RN's On Call [Member]
Business Acquisition [Line Items]
Total allocable purchase price				$ 1,455
Customer relationships | Accent Marketing Services, L.L.C. [Member]
Business Acquisition [Line Items]
Customer relationships, estimated useful life		8 years
Trade name | Accent Marketing Services, L.L.C. [Member]
Business Acquisition [Line Items]
Customer relationships, estimated useful life							6 years