XML 55 R63.htm IDEA: XBRL DOCUMENT v3.20.1
Share-Based Compensation - Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Common Stock        
Stock option activity        
Exercised (in shares) 22,547 74,560    
Stock option activity        
Shares of common stock issued in exchange for stock options and common shares 9,555      
Common shares exchanged 12,992      
Stock Options        
Stock option activity        
Balance at beginning of period (in shares) 116,409 337,654 337,654  
Exercised (in shares) 22,547 74,560    
Balance at end of period (in shares) 93,862 263,094 116,409 337,654
Options vested and exercisable (in shares) 93,862      
Weighted Average Exercise Price        
Balance at beginning of period (in dollars per share) $ 17.53 $ 17.51 $ 17.51  
Exercised (in dollars per share) 17.36 17.36    
Balance at end of period (in dollars per share) 17.57 $ 17.55 $ 17.53 $ 17.51
Options vested and exercisable (in dollars per share) $ 17.57      
Remaining Contractual Life        
Options outstanding 5 months 27 days 1 year 6 months 4 days 8 months 19 days 1 year 8 months 27 days
Options vested and exercisable 5 months 27 days      
Aggregate Intrinsic Value        
Beginning of period $ 1,562 $ 2,859 $ 2,859  
Exercised 288 788    
End of period 656 2,461 $ 1,562 $ 2,859
Options vested and exercisable 656      
Stock option activity        
Intrinsic value of stock options exercised 288 788    
Proceeds received from stock options exercised 391 1,294    
Tax benefits realized from stock options exercised 53 $ 171    
Unrecognized compensation costs $ 0