XML 77 R57.htm IDEA: XBRL DOCUMENT v3.7.0.1
EQUITY (Schedule of Assumptions Used to Estimate Fair Value) (Details) - Employee [Member]
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Dividend yields 0.00% 0.00% 0.00%
Expected term (in years) 4 years 9 months 18 days 4 years 9 months 18 days 4 years 9 months 18 days
Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk free interest 1.08% 1.24% 1.43%
Volatility 33.00% 33.00% 34.00%
Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk free interest 1.62% 1.61% 1.73%
Volatility 35.00% 34.00% 36.00%