Quarterly report pursuant to Section 13 or 15(d)

Income Per Share - Anti-dilutive common stock equivalents (Details)

v3.19.1
Income Per Share - Anti-dilutive common stock equivalents (Details) - shares
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Anti-dilutive common stock equivalents    
Total anti-dilutive common stock equivalents 158,095 35,480
Restricted Stock Awards | Service-based conditions    
Anti-dilutive common stock equivalents    
Total anti-dilutive common stock equivalents 14,706 275
Restricted Stock Awards | Market-based conditions    
Anti-dilutive common stock equivalents    
Total anti-dilutive common stock equivalents 19,701  
Stock Options    
Anti-dilutive common stock equivalents    
Total anti-dilutive common stock equivalents 123,688 35,205