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COMMITMENTS AND CONTINGENCIES (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Loss Contingencies [Line Items]      
Lease Expiration Date Dec. 31, 2025    
Future minimum lease payments under operating leases [Abstract]      
2016 $ 7,654    
2017 6,842    
2018 6,510    
2019 5,188    
2020 4,186    
Thereafter 14,787    
Total 45,167    
Operating lease rent expense $ 7,753 $ 8,396 $ 8,501
Maximum term of employment agreement 3 years    
Tech Investments LLC and Tech Investments II LLC [Member]      
Future minimum lease payments under operating leases [Abstract]      
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 5.50%    
Common Stock, Other Shares, Outstanding 783,798