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Accounting Policies - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 06, 2020
Mar. 31, 2021
Mar. 31, 2020
Jul. 16, 2019
Accounting Policies [Abstract]        
Number of shares authorized to be repurchased       2,250,000
Number of shares repurchased 1,000,000 373,323    
Average price per share repurchased $ 15.19 $ 15.86    
Shares, non-dilutive (in shares)   138,010 293,665  
Net income   $ 20,422 $ 11,655