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Subsequent Events (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Feb. 11, 2020
Jan. 23, 2020
Mar. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Restricted Stock            
Subsequent Event            
Grants in period (in shares)       193,262 385,010 260,852
2014 Awards | Restricted Stock            
Subsequent Event            
Grants in period (in shares)     122,400      
Shares categorized as vesting (percent)     50.00%      
Vesting period (in years)     3 years      
Award vesting rights (in percentage)       33.33%    
Share based compensation, fair market value     $ 3.2      
Shares categorized as performance based (percent)     50.00%      
2014 Awards | Restricted Stock | Tranche One            
Subsequent Event            
Award vesting rights (in percentage)     33.33%      
2014 Awards | Restricted Stock | Tranche Two            
Subsequent Event            
Award vesting rights (in percentage)     33.33%      
2014 Awards | Restricted Stock | Tranche Three            
Subsequent Event            
Award vesting rights (in percentage)     33.33%      
2014 Awards | Performance Shares            
Subsequent Event            
Grants in period (in shares)       20,402    
Share based compensation, fair market value       $ 1.1    
Subsequent Event | 2014 Awards | Restricted Stock            
Subsequent Event            
Grants in period (in shares) 90,933          
Shares categorized as vesting (percent) 50.00%          
Vesting period (in years)   3 years        
Share based compensation, fair market value $ 3.3          
Shares categorized as performance based (percent) 50.00%          
Subsequent Event | 2014 Awards | Restricted Stock | Tranche One            
Subsequent Event            
Award vesting rights (in percentage)   33.33%        
Subsequent Event | 2014 Awards | Restricted Stock | Tranche Two            
Subsequent Event            
Award vesting rights (in percentage)   33.33%        
Subsequent Event | 2014 Awards | Restricted Stock | Tranche Three            
Subsequent Event            
Award vesting rights (in percentage)   33.33%        
Subsequent Event | 2014 Awards | Performance Shares            
Subsequent Event            
Grants in period (in shares) 15,154          
Share based compensation, fair market value $ 1.1