Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation and Employee Benefit Plans - Stock Options (Details 4)

v3.19.3
Stock-Based Compensation and Employee Benefit Plans - Stock Options (Details 4) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Feb. 22, 2019
Document Period End Date     Sep. 30, 2019    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value $ 1,400 $ 100 $ 21,500 $ 4,000  
Proceeds from Stock Options Exercised 300 100 4,000 1,300  
Share-based Payment Arrangement, Expense, Tax Benefit 200 $ 1,200 19,500 $ 3,700  
Shares Issued upon Settlement of Employee Bonus Plan         300
Accrued Bonuses $ 2,400   $ 2,400    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term     2 years 5 months 19 days    
Share-based Payment Arrangement, Option [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number     2,659    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period     (1,239)    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares     (20)    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 1,400   1,400    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number 1,389   1,389    
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable 1,120   1,120    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]          
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price     $ 10.27    
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price     7.21    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price     18.56    
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price $ 12.87   12.87    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price 12.82   12.82    
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price $ 11.53   $ 11.53    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross     0    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term     2 years 8 months 12 days    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term     2 years 8 months 4 days    
Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term     2 years    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value $ 13,554   $ 13,554    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value 13,512   13,512    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value $ 12,371   $ 12,371