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Earnings per Share - Repurchase Program (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2019
Earnings Per Share            
Stock repurchased     $ 90 $ 2,148 $ 809  
Repurchase Program            
Earnings Per Share            
Value of shares authorized for repurchase $ 5,000     5,000   $ 5,000
Total number of common stock repurchased 0          
Stock repurchased (in shares)   117,632        
Stock repurchased (in dollars per share)   $ 18.26        
Stock repurchased   $ 2,100        
Remaining available for repurchase of shares $ 5,000     $ 5,000