Quarterly report pursuant to Section 13 or 15(d)

Employee Benefits and Compensation Plans (Detail Textuals)

v3.10.0.1
Employee Benefits and Compensation Plans (Detail Textuals) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense $ 31,700 $ 24,000 $ 59,835 $ 42,220
Retained Earnings        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Change in accounting policy (share-based forfeitures)     $ (19,100)  
Time-Based Awards | Awarded on March 1, 2018 | Employee        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted share unit awards granted     1,600,000  
Vesting period for stock based awards     3 years  
Performance-Based Awards        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Performance-based awards     208,335  
Performance-Based Awards | Awarded on March 1, 2018 | Members of management team        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted share unit awards granted     500,000  
Performance-Based Awards | Awarded on February 27, 2018 | Members of management team        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted share unit awards granted     300,000  
Marketing, general and administrative expense        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense 27,300 21,100 $ 52,100 38,500
Payroll and related expense        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense $ 4,400 $ 2,900 $ 7,700 $ 3,700