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Stock Repurchase Program (Details) - USD ($)
$ in Millions
 1 Months Ended 3 Months Ended
Nov. 30, 2019
Feb. 28, 2019
Mar. 31, 2020
Mar. 31, 2019
May 31, 2019
February 2019 Plan          
Class of Stock [Line Items]          
Shares repurchased and retired during period (in shares)   100,000      
Stock repurchased during period, value   $ 1.6      
May 2019 Plan          
Class of Stock [Line Items]          
Stock repurchased during period, value     $ 1.2 $ 1.6  
Number of shares authorized for repurchase (in shares)         1,000,000
Shares repurchased during period (in shares)     169,602 100,000  
Remaining number of shares authorized to be repurchased (in shares)     395,029    
November 2019 Plan          
Class of Stock [Line Items]          
Shares repurchased and retired during period (in shares) 200,000        
Stock repurchased during period, value $ 2.0