FAIR VALUE MEASUREMENTS (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2013 Level 3	Sep. 30, 2014 Fair Value, Measurements, Recurring	Sep. 30, 2014 Fair Value, Measurements, Recurring Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration			$ 33,153,000	$ 33,153,000
Performance-based equity awards			1,622,000	1,622,000
Total liabilities measured at fair value on a recurring basis	$ 0	$ 0	$ 34,775,000	$ 34,775,000