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QUARTERLY FINANCIAL DATA (UNAUDITED) (NARRATIVE) (DETAILS) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Jun. 30, 2014
Dec. 31, 2015
QUARTERLY FINANCIAL DATA (UNAUDITED) [ABSTRACT]              
Impairments $ 2,900           $ (7,725)
Benefit to Fair Value Contingent Consideration 300   $ 500   $ 2,700 $ 4,000  
Benefit to Income Taxes Related to Restructuring Charges 100 $ 200 100 $ 300      
Expense to Fair Value Contingent Consideration   800          
Net Change in Valuation Allowance 1,200   200 300      
Benefit to Income Taxes Related to Impairments 1,300 $ 1,300          
Expense to Incomes Taxes Related to State NOLs $ 1,300            
Expense to Income Taxes Related to Uncertain Tax Position     $ 1,500        
Expense Related to Tax Rate Changes       $ 500