XML 84 R57.htm IDEA: XBRL DOCUMENT v3.10.0.1
Earnings Per Share - Antidilutive Securities (Details) - shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities (shares) 1,138,251 1,059,225 946,962
Share-based compensation plans      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities (shares) 1,138,251 1,059,225 894,720
Warrants      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities (shares) 0 0 52,242