SIGNIFICANT ACCOUNTING POLICIES (Details 3) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
SIGNIFICANT ACCOUNTING POLICIES
Allowance for Doubtful Accounts Receivable	$ 10,313,000	$ 10,022,000
Long-Lived Asset Impairment
Impairments of long-lived asset	0	0
Buildings
Property, Plant and Equipment
Asset under capital leases	12,000,000	10,900,000
Accumulated depreciation on capital leases asset	1,400,000	900,000
Annual future minimum lease payments under capital leases
2014	1,400,000
2015	2,000,000
2016	2,100,000
2017	2,100,000
2018	2,200,000
Thereafter	9,500,000
Interest included in future minimum lease payments	$ 6,000,000