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	6 Months Ended
	Jun. 30, 2014
Finite-Lived Intangible Assets [Line Items]
Remainder of 2014	$ 4,814
Expected Amortization Expense-2014	5,662
Expected Amortization Expense-2015	3,985
Expected Amortization Expense-2016	2,715
Expected Amortization Expense-2017	1,358
Expected Amortization Expense-2018	1,041
Noncompete agreements
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	4 months
Remainder of 2014	719
Expected Amortization Expense-2014	308
Expected Amortization Expense-2015	255
Expected Amortization Expense-2016	0
Expected Amortization Expense-2017	0
Expected Amortization Expense-2018	0
Patents, trademarks and tradename
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	3 years 11 months
Remainder of 2014	20
Expected Amortization Expense-2014	40
Expected Amortization Expense-2015	40
Expected Amortization Expense-2016	40
Expected Amortization Expense-2017	17
Expected Amortization Expense-2018	0
Customer relationships and contracts
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	5 years 6 months
Remainder of 2014	3,964
Expected Amortization Expense-2014	5,093
Expected Amortization Expense-2015	3,469
Expected Amortization Expense-2016	2,454
Expected Amortization Expense-2017	1,120
Expected Amortization Expense-2018	820
Developed technology
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	16 years 6 months
Remainder of 2014	111
Expected Amortization Expense-2014	221
Expected Amortization Expense-2015	221
Expected Amortization Expense-2016	221
Expected Amortization Expense-2017	221
Expected Amortization Expense-2018	$ 221