XML 22 R42.htm IDEA: XBRL DOCUMENT v3.19.3
Per Share Data - Antidilutive Securities (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Stock Options    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Weighted average 332,861 353,801
Stock-Settled Stock Appreciation Rights    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Weighted average 0 2,227
Restricted Stock Units    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Weighted average 598,793 545,422