GOODWILL AND INTANGIBLE ASSETS (Details 2) $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Amortizing and Non-amortizing intangible assets
Balance at the beginning of period	$ 29,605
Acquisitions	34,694
Impairment	(1,009)
Amortization	(13,326)
Balance at the end of period	49,964
Customer relationships
Amortizing and Non-amortizing intangible assets
Balance at the beginning of period	23,672
Acquisitions	15,400
Amortization	(8,143)
Balance at the end of period	30,929
Trade names
Amortizing and Non-amortizing intangible assets
Balance at the beginning of period	3,279
Acquisitions	7,000
Amortization	(1,212)
Balance at the end of period	9,067
Acquired Technology
Amortizing and Non-amortizing intangible assets
Balance at the beginning of period	1,056
Acquisitions	8,400
Impairment	(1,009)
Amortization	(2,410)
Balance at the end of period	6,037
Non-compete agreements
Amortizing and Non-amortizing intangible assets
Balance at the beginning of period	1,598
Acquisitions	3,894
Amortization	(1,561)
Balance at the end of period	$ 3,931