XML 22 R83.htm IDEA: XBRL DOCUMENT v3.19.3
Incentive Based Compensation - Stock-based Performance Unit Awards (Details) - Performance Unit Awards
9 Months Ended
Sep. 30, 2019
$ / shares
shares
Granted Officer  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Granted (in shares) | shares 656,636
Grant date fair value (in dollars per share) | $ / shares $ 20.66
Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting percentage 200.00%
Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting percentage 0.00%