Annual report pursuant to Section 13 and 15(d)

Per Share Data (Narrative) (Details)

v3.3.1.900
Per Share Data (Narrative) (Details) - shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Earnings Per Share [Abstract]      
Antidilutive securities excluded from computation of earnings per share, amount 57,494,385 3,215,621 55,398,631