v3.25.4
Equity-Based Compensation - 2017 and 2018 Plan (Details) - shares
12 Months Ended
May 11, 2018
Dec. 31, 2017
2018 Plan    
Share-based Compensation Arrangement by Share-based Payment Award    
Increase based on outstanding shares (as a percent) 4.00%  
Vesting period 4 years  
2017 Plan    
Share-based Compensation Arrangement by Share-based Payment Award    
Additional shares authorized under stock-based plans (in shares) 0  
Vesting period   4 years