XML 64 R50.htm IDEA: XBRL DOCUMENT v3.19.1
Earnings Per Share - (Narrative) (Details) - shares
shares in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Earnings Per Share [Abstract]    
Antidilutive securities excluded from computation of earnings per share, number of shares 860 2,119