INTANGIBLE ASSETS - Summary of amortization expense for next five year (Details 1) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
2014 $ 3,781
2015 2,982
2016 1,476
2017 656
2018 567
Total amortization expense $ 9,462