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Earnings per Share - Repurchase Program (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Sep. 30, 2020
Earnings Per Share      
Stock repurchased $ 2,148 $ 719  
Repurchase Program      
Earnings Per Share      
Value of shares authorized for repurchase     $ 5,000
Stock repurchased (in shares) 117,632    
Stock repurchased (in dollars per share) $ 18.26    
Stock repurchased $ 2,100    
Remaining available for repurchase of shares $ 1,900