Quarterly report pursuant to Section 13 or 15(d)

Compensation Plans (Details)

v3.20.1
Compensation Plans (Details) - USD ($)
$ in Millions
3 Months Ended
Aug. 20, 2019
Apr. 23, 2019
Mar. 31, 2020
Mar. 31, 2019
Equity-Based Compensation (Textual)        
Share-based payment arrangement, expense       $ 2.9
Unrecognized compensation expense related to unvested stock options     $ 2.6  
Unrecognized compensation expense, weighted-average period     4 years 4 months 24 days  
Unrecognized compensation expense related to unvested common units     $ 3.5  
Unrecognized compensation expense related to unvested common units weighted-average period     2 years 2 months 12 days  
Minimum        
Equity-Based Compensation (Textual)        
Vesting period 4 years 0 years    
Maximum        
Equity-Based Compensation (Textual)        
Vesting period 10 years 4 years    
Equity Incentive Plan        
Equity-Based Compensation (Textual)        
Number of shares authorized (in shares)     5,000,000  
Employee Stock | Stock option        
Equity-Based Compensation (Textual)        
Share-based payment arrangement, expense     $ 0.4  
Common Stock        
Equity-Based Compensation (Textual)        
Share-based payment arrangement, expense     0.7  
Shares forfeited, value     $ 0.8