Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - TripCo Outstanding Awards (Details)

v3.19.3.a.u2
Stock-Based Compensation - TripCo Outstanding Awards (Details) - 2019 Plan - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Additional disclosures      
Unvested value not yet recognized $ 485    
Weighted average period the unrecognized compensation cost will be recognized 2 years    
Common Stock, Capital Shares Reserved for Future Issuance 2,500    
Stock Options      
Additional disclosures      
Stock options exercised intrinsic value $ 0 $ 117 $ 478
Restricted Stock      
Additional disclosures      
Aggregate fair value $ 159 $ 9 $ 13
Series A | Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Outstanding beginning balance 570    
Granted 151    
Cancelled or expired (4)    
Outstanding ending balance 717 570  
Options exercisable 565    
WAEP      
Weighted average exercise price, options outstanding (in dollars per share) $ 15.40    
Weighted average exercise price, options granted (in dollars per share) 7.20    
Weighted average exercise price, options forfeited/cancelled (in dollars per share) 17.19    
Weighted average exercise price, options outstanding (in dollars per share) 13.65 $ 15.40  
Weighted average exercise price, options exercisable (in dollars per share) $ 15.38    
Weighted average remaining contractual term outstanding 3 years 3 months 18 days    
Weighted average remaining contractual term exercisable 2 years 3 months 18 days    
Series A | Restricted Stock      
Additional disclosures      
Unvested RSUs and MSUs (in shares) 402    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value $ 8.26    
Series B | Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Outstanding beginning balance 1,797    
Granted 27    
Outstanding ending balance 1,824 1,797  
Options exercisable 1,824    
WAEP      
Weighted average exercise price, options outstanding (in dollars per share) $ 27.83    
Weighted average exercise price, options granted (in dollars per share) 14.28    
Weighted average exercise price, options outstanding (in dollars per share) 27.63 $ 27.83  
Weighted average exercise price, options exercisable (in dollars per share) $ 27.63    
Weighted average remaining contractual term outstanding 5 years    
Weighted average remaining contractual term exercisable 5 years