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Stock-Based Compensation - Stock Options (Details)
shares in Thousands
6 Months Ended
Jun. 30, 2020
$ / shares
shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options outstanding, range of exercise prices, minimum (in dollars per share) $ 9.46
Options outstanding, range of exercise prices, maximum (in dollars per share) $ 24.07
Options outstanding, number of shares (in shares) | shares 658
Options outstanding, weighted average remaining contractual life 4 years 3 months 14 days
Options outstanding, weighted average exercise price (in dollars per share) $ 22.48
Options exercisable, number of shares (in shares) | shares 658
Options exercisable, weighted average exercise price (in dollars per share) $ 22.48
Range 01  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options outstanding, range of exercise prices, minimum (in dollars per share) 9.46
Options outstanding, range of exercise prices, maximum (in dollars per share) $ 9.46
Options outstanding, number of shares (in shares) | shares 1
Options outstanding, weighted average remaining contractual life 1 year 6 months 18 days
Options outstanding, weighted average exercise price (in dollars per share) $ 9.46
Options exercisable, number of shares (in shares) | shares 1
Options exercisable, weighted average exercise price (in dollars per share) $ 9.46
Range 02  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options outstanding, range of exercise prices, minimum (in dollars per share) 10.65
Options outstanding, range of exercise prices, maximum (in dollars per share) $ 10.65
Options outstanding, number of shares (in shares) | shares 3
Options outstanding, weighted average remaining contractual life 2 years 6 months 29 days
Options outstanding, weighted average exercise price (in dollars per share) $ 10.65
Options exercisable, number of shares (in shares) | shares 3
Options exercisable, weighted average exercise price (in dollars per share) $ 10.65
Range 03  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options outstanding, range of exercise prices, minimum (in dollars per share) 20.29
Options outstanding, range of exercise prices, maximum (in dollars per share) $ 20.29
Options outstanding, number of shares (in shares) | shares 66
Options outstanding, weighted average remaining contractual life 3 years 8 months 12 days
Options outstanding, weighted average exercise price (in dollars per share) $ 20.29
Options exercisable, number of shares (in shares) | shares 66
Options exercisable, weighted average exercise price (in dollars per share) $ 20.29
Range 04  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options outstanding, range of exercise prices, minimum (in dollars per share) 20.36
Options outstanding, range of exercise prices, maximum (in dollars per share) $ 20.36
Options outstanding, number of shares (in shares) | shares 2
Options outstanding, weighted average remaining contractual life 4 years 4 months 17 days
Options outstanding, weighted average exercise price (in dollars per share) $ 20.36
Options exercisable, number of shares (in shares) | shares 2
Options exercisable, weighted average exercise price (in dollars per share) $ 20.36
Range 05  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options outstanding, range of exercise prices, minimum (in dollars per share) 22.20
Options outstanding, range of exercise prices, maximum (in dollars per share) $ 22.20
Options outstanding, number of shares (in shares) | shares 74
Options outstanding, weighted average remaining contractual life 3 years 7 months 17 days
Options outstanding, weighted average exercise price (in dollars per share) $ 22.20
Options exercisable, number of shares (in shares) | shares 74
Options exercisable, weighted average exercise price (in dollars per share) $ 22.20
Range 06  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options outstanding, range of exercise prices, minimum (in dollars per share) 22.75
Options outstanding, range of exercise prices, maximum (in dollars per share) $ 22.75
Options outstanding, number of shares (in shares) | shares 412
Options outstanding, weighted average remaining contractual life 4 years 4 months 20 days
Options outstanding, weighted average exercise price (in dollars per share) $ 22.75
Options exercisable, number of shares (in shares) | shares 412
Options exercisable, weighted average exercise price (in dollars per share) $ 22.75
Range 07  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options outstanding, range of exercise prices, minimum (in dollars per share) 23.51
Options outstanding, range of exercise prices, maximum (in dollars per share) $ 23.51
Options outstanding, number of shares (in shares) | shares 93
Options outstanding, weighted average remaining contractual life 4 years 9 months 18 days
Options outstanding, weighted average exercise price (in dollars per share) $ 23.51
Options exercisable, number of shares (in shares) | shares 93
Options exercisable, weighted average exercise price (in dollars per share) $ 23.51
Range 08  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options outstanding, range of exercise prices, minimum (in dollars per share) 24.07
Options outstanding, range of exercise prices, maximum (in dollars per share) $ 24.07
Options outstanding, number of shares (in shares) | shares 7
Options outstanding, weighted average remaining contractual life 5 years 2 months 15 days
Options outstanding, weighted average exercise price (in dollars per share) $ 24.07
Options exercisable, number of shares (in shares) | shares 7
Options exercisable, weighted average exercise price (in dollars per share) $ 24.07