Annual report pursuant to Section 13 and 15(d)

Stock-based Expense and Employee Benefits - Schedule of Stock-based Compensation Cost (Details)

v3.19.3
Stock-based Expense and Employee Benefits - Schedule of Stock-based Compensation Cost (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total compensation expense recognized $ 50,641 $ 45,835 $ 36,852
Cash proceeds related to stock-based expense transactions 13,163 27,014 28,490
Time Based Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Aggregate grant-date fair value of shares and stock options that vested during the year $ 49,711 $ 48,662 $ 28,624