XML 116 R99.htm IDEA: XBRL DOCUMENT v3.3.1.900
Earnings Per Share - Additional Information (Details) - shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Earnings Per Share [Abstract]      
Common stock equivalents (in shares) 1,000,000 1,000,000 0