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Shareholders' Equity and Earnings Per Common Share, Shareholders' Equity (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 18, 2020
Share Repurchase Plan [Abstract]      
Stock repurchased (in shares) 180,667 678,929  
Stock repurchased $ 3,601 $ 13,784  
Common Stock [Member]      
Share Repurchase Plan [Abstract]      
Number of shares authorized for repurchase (in shares)     1,100,000
Stock repurchased (in shares) 180,667 678,929  
Stock repurchased $ 3,601 $ 13,784