GOODWILL AND OTHER INTANGIBLE ASSETS - Weighted Average Remaining Amortization Periods and Expected Amortization Expense for Next Five Years for Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Finite-Lived Intangible Assets [Line Items]
Remainder of 2014	$ 2,193
Expected Amortization Expense-2015	5,777
Expected Amortization Expense-2016	4,094
Expected Amortization Expense-2017	2,855
Expected Amortization Expense-2018	1,538
Expected Amortization Expense-2019	1,131
Noncompete agreements
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	2 years
Remainder of 2014	116
Expected Amortization Expense-2015	305
Expected Amortization Expense-2016	245
Expected Amortization Expense-2017	0
Expected Amortization Expense-2018	0
Expected Amortization Expense-2019	0
Patents, trademarks and tradename
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	3 years 8 months
Remainder of 2014	10
Expected Amortization Expense-2015	40
Expected Amortization Expense-2016	40
Expected Amortization Expense-2017	40
Expected Amortization Expense-2018	17
Expected Amortization Expense-2019	0
Customer relationships and contracts
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	5 years 2 months
Remainder of 2014	1,967
Expected Amortization Expense-2015	5,031
Expected Amortization Expense-2016	3,408
Expected Amortization Expense-2017	2,414
Expected Amortization Expense-2018	1,120
Expected Amortization Expense-2019	820
Developed technology
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	16 years 3 months
Remainder of 2014	100
Expected Amortization Expense-2015	401
Expected Amortization Expense-2016	401
Expected Amortization Expense-2017	401
Expected Amortization Expense-2018	401
Expected Amortization Expense-2019	$ 311