v3.19.3
Equity-Based Compensation (Details) - USD ($)
3 Months Ended 9 Months Ended
Aug. 20, 2019
Apr. 23, 2019
May 02, 2018
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Equity-Based Compensation (Textual)              
Compensation expense related to equity-based compensation awards       $ 1,500,000 $ 0 $ 6,100,000 $ 0
Unrecognized compensation expense related to unvested common units           $ 6,400,000  
Unrecognized compensation expense related to unvested common units weighted-average period           2 years 2 months 12 days  
Unrecognized compensation expense related to unvested stock options           $ 1,200,000  
Unrecognized compensation expense related to unvested stock options weighted-average period           3 years 10 months 24 days  
Exercise price (in dollars per share) $ 6.42            
Options granted (in shares) 477,500            
Expected volatility           85.00%  
Minimum              
Equity-Based Compensation (Textual)              
Expected dividend yield           0.00%  
Vesting period 5 years 0 years          
Maximum              
Equity-Based Compensation (Textual)              
Expected dividend yield           0.00%  
Vesting period 10 years 4 years          
IPO              
Equity-Based Compensation (Textual)              
Options granted, net (in shares)     176,784        
Exercise price (in dollars per share)     $ 17.00        
Equity Incentive Plan              
Equity-Based Compensation (Textual)              
Number of shares authorized (in shares)       5,000,000   5,000,000