XML 80 R62.htm IDEA: XBRL DOCUMENT v3.8.0.1
Earnings (Loss) Per Share (Schedule of Anti-dilutive Securities Excluded From Computation of Earnings Per Share) (Details) - shares
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Earnings Per Share [Abstract]      
Anti-dilutive shares (in shares) 18,325 13,300 46,633