XML 61 R49.htm IDEA: XBRL DOCUMENT v3.21.2
Earnings Per Share (Narrative) (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Anti-dilutive stock options 300    
Stock Appreciation Rights (SARs) [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Anti-dilutive stock options   222,740 222,740
Restricted Stock Units (RSUs) [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Anti-dilutive stock options 15,733   13,780