Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION (Details)

v3.7.0.1
STOCK-BASED COMPENSATION (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Outstanding at begining 165,664 122,680
Grants 69,800 51,324
Exercised
Forfeitures or expirations (18,038) (8,340)
Outstanding at end 217,426 165,664
Vested and expected to vest at end 217,426  
Exercisable at end 131,277  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]    
Outstanding at begining $ 106.38 $ 124.04
Grants 46.58 60.13
Forfeitures or expirations 57 81.67
Outstanding at end 91.33 $ 106.38
Vested and expected to vest at end 91.33  
Exercisable at end $ 115.51  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term [Roll Forward]    
Outstanding at end 7 years 9 months 25 days 8 years 4 months 6 days
Vested and expected to vest at end 7 years 9 months 25 days  
Exercisable at end 7 years 2 months 8 days  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Aggregate Intrinsic Value [Roll Forward]    
Outstanding at begining $ 1,125,299
Outstanding at end $ 1,125,299