XML 64 R54.htm IDEA: XBRL DOCUMENT v3.7.0.1
Earnings (Loss) Per Share - Narrative (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2017
Earnings Per Share [Abstract]    
Antidilutive securities excluded from computation of weighted average common shares (in shares) 83,000 96,000