XML 48 R37.htm IDEA: XBRL DOCUMENT v3.20.2
Stock-Based Compensation (Summary Of Restricted Stock Units) (Details) - Restricted Stock Units (RSUs) [Member] - $ / shares
9 Months Ended 12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Shares [Roll Forward]      
Outstanding, beginning of period (in shares) 1,253,927    
Granted (in shares) 1,531,702 930,831  
Vested (in shares) (576,356)    
Forfeited (in shares) (12,971)    
Outstanding, end of period (in shares) 2,196,302   1,253,927
Weighted-average price [Roll forward]      
Outstanding, beginning of period (in dollars per share) $ 8.87    
Granted (in dollars per share) 6.87    
Vested (in dollars per share) 8.64    
Forfeited (in dollars per share) 9.10    
Outstanding, end of period (in dollars per share) $ 7.53   $ 8.87
Average remaining contractual term (years) [Abstract]      
Granted 2 years 2 months 23 days    
Outstanding 1 year 10 months 24 days   1 year 7 months 20 days