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Share-Based Compensation and Capital Stock - Narrative (Details)
$ in Millions
3 Months Ended
Mar. 31, 2021
USD ($)
awardType
shares
Share-Based Compensation and Capital Stock [Line Items]  
Shares repurchased (in shares) 0
Shares redeemed for tax withholding for share based compensation (in shares) 46,499
Cost of shares repurchased | $ $ 5.1
Restricted stock awards | Minimum  
Share-Based Compensation and Capital Stock [Line Items]  
Performance period, duration 9 months
Restricted stock awards | Maximum  
Share-Based Compensation and Capital Stock [Line Items]  
Performance period, duration 48 months
Performance Vested Restricted Stock Units  
Share-Based Compensation and Capital Stock [Line Items]  
Types of awards granted | awardType 3
Unvested shares expected to vest (in shares) 227,114
Leveraging factor 0.00%
Performance Vested Restricted Stock Units | Minimum  
Share-Based Compensation and Capital Stock [Line Items]  
Performance period, duration 9 months
Performance period, percent 0.00%
Performance Vested Restricted Stock Units | Maximum  
Share-Based Compensation and Capital Stock [Line Items]  
Performance period, duration 60 months
Performance period, percent 300.00%