XML 144 R128.htm IDEA: XBRL DOCUMENT v3.20.4
EPS (Additional Information) (Details)
12 Months Ended
Dec. 31, 2020
shares
Stock Options [Member]  
Earnings Per Share [Abstract]  
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 1,000
Shares that were not considered in computation of potential common shares for purposes of diluted EPS 1,000
Performance Shares [Member]  
Earnings Per Share [Abstract]  
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 1,849
Shares that were not considered in computation of potential common shares for purposes of diluted EPS 1,849