XML 68 R71.htm IDEA: XBRL DOCUMENT v3.20.1
EARNINGS PER SHARE - Antidilutive Securities (Details) - shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Earnings Per Share, Diluted, Other Disclosures [Abstract]    
Antidilutive shares excluded from calculation of earnings per share 143,027 0