XML 150 R121.htm IDEA: XBRL DOCUMENT v3.6.0.2
EARNINGS PER SHARE OF COMMON STOCK - Antidilutive Stock Options (Details) - shares
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Stock Options      
Antidilutive stock options      
Outstanding stock options not included in the computation of diluted earnings per share (in shares) 405,552 41,380 17,420