Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Grants of Stock Options) (Details)

v3.19.3.a.u2
Stock-Based Compensation (Grants of Stock Options) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options exercised, intrinsic value   $ 20,900 $ 800 $ 71,900
Stock-based compensation expense   $ 24,897 $ 28,207 $ 26,583
Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period     1 year  
Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period     5 years  
Series A Common Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of options granted (in shares)   57    
Series A Common Stock | Directors and Employees        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of options granted (in shares)   57    
Series A Common Stock | Directors        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of options granted (in shares)     10  
Weighted average GDFV of options granted (in dollars per share)   $ 18.71 $ 14.09  
LVNTA shares        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of options granted (in shares) 946      
Weighted average GDFV of options granted (in dollars per share) $ 8.53      
LVNTA shares | Directors and Employees        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of options granted (in shares)       188
LVNTA shares | Directors        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted average GDFV of options granted (in dollars per share)       $ 16.52
Series B Common Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of options granted (in shares)   22    
Series B Common Stock | Chief Executive Officer        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of options granted (in shares)   22    
Weighted average GDFV of options granted (in dollars per share)   $ 18.27    
LVNTB shares        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of options granted (in shares) 1,100      
Weighted average GDFV of options granted (in dollars per share) $ 6.94      
LVNTB shares | Chief Executive Officer        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of options granted (in shares)     143 269
Weighted average GDFV of options granted (in dollars per share)     $ 16.55 $ 15.41
Options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation cost related to unvested options   $ 2,500    
Volatility rate, minimum   24.80% 25.90% 25.90%
Volatility rate, maximum   31.60% 31.60% 31.60%
Dividend rate   0.00%    
Options | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expected term   2 years 2 years 2 years
Options | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expected term   6 years 4 months 24 days 6 years 4 months 24 days 6 years 4 months 24 days
Options | Series A Common Stock | Directors        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period   1 year 1 year 1 year
Options | LVNTA shares | Employees | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period   3 years   3 years
Options | LVNTA shares | Employees | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Award vesting period   5 years   5 years
Options | LVNTA and LVNTB shares        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 9,200      
Performance RSUs | Series B Common Stock | Chief Executive Officer        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of options granted (in shares)   51    
Weighted average GDFV of options granted (in dollars per share)   $ 53.78    
Award vesting period   1 year    
Eligible Options | LVNTA and LVNTB shares        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options exercised, intrinsic value       $ 13,500
Unvested New Options | LVNTA and LVNTB shares        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 6,400